MUNICIPAL SECURITIES TRUST 39TH DISCOUNT SERIES
497, 1994-11-14
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                                             Rule 497(b)
                                             Registration No. 33-00376


                 Note:  Part A of this Prospectus May Not Be     
                        Distributed Unless Accompanied by Part B.


                            MUNICIPAL SECURITIES TRUST

                               39TH DISCOUNT SERIES
                              (MULTIPLIER PORTFOLIO)

    __________________________________________________________________


              The Trust is a unit investment trust designated 39th Discount
    Series ("Municipal Discount Trust") with an underlying portfolio of long-
    term tax-exempt bonds and was formed to preserve capital and to provide
    interest income (including, where applicable, earned original issue
    discount) which, in the opinions of bond counsel to the respective
    issuers, is, with certain exceptions, currently exempt from regular
    federal income tax under existing law but may be subject to state and
    local taxes.  (See "Tax Status" and "The Trust--Portfolio" in Part B of
    this Prospectus.)  The Sponsor is Bear, Stearns & Co. Inc.  The value of
    the Units of the Trust will fluctuate with the value of the bonds. 
    Minimum purchase:  1 Unit.

    __________________________________________________________________


              This Prospectus consists of two parts.  Part A contains the
    Summary of Essential Information as of June 30, 1994 (the "Evaluation
    Date"), a summary of certain specific information regarding the Trust and
    audited financial statements of the Trust, including the related
    portfolio, as of the Evaluation Date.  Part B of this Prospectus contains
    a general summary of the Trust. 
    
                    Investors should retain both parts of this
                         Prospectus for future reference.

    __________________________________________________________________


         THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE
         SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION
         NOR HAS THE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON
         THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS.  ANY REPRESENTATION TO
         THE CONTRARY IS A CRIMINAL OFFENSE.

    
                     Prospectus Part A Dated October 28, 1994
    


    <PAGE>
    
              THE TRUST.  The Trust is a unit investment trust formed to
    preserve capital and to provide interest income (including, where
    applicable, earned original issue discount) which, in the opinions of bond
    counsel to the respective issuers, is, with certain exceptions, currently
    exempt from regular federal income tax under existing law through
    investment in a fixed, diversified portfolio of long-term bonds issued by
    or on behalf of states, municipalities and public authorities (the
    "Bonds").  Although the Supreme Court has determined that Congress has the
    authority to subject interest on bonds such as the Bonds in the Trust to
    regular federal income taxation, existing law excludes such interest from
    regular federal income tax.  Such interest income may, however, be subject
    to the federal corporate alternative minimum tax and to state and local
    taxes.  (See "Description of Portfolio" in this Part A for a description
    of those Bonds which pay interest income subject to the federal individual
    alternative minimum tax.  See also "Tax Status" in Part B of this
    Prospectus.)  The Bonds were acquired at prices which resulted in the
    portfolio as a whole being purchased at a deep discount from par value. 
    The portfolio may also include bonds issued at a substantial original
    issue discount some of which may be "Zero Coupon Bonds", which are
    original issue discount bonds that provide for payment at maturity at par
    value, but do not provide for the payment of current interest.  Some of
    the Bonds in the portfolio may have been purchased at an aggregate premium
    over par.  Some of the Bonds in the Trust have been issued with optional
    refunding or refinancing provisions ("Refunded Bonds") whereby the issuer
    of the Bond has the right to call such Bond prior to its stated maturity
    date (and other than pursuant to sinking fund provisions) and to issue new
    bonds ("Refunding Bonds") in order to finance the redemption.  Issuers
    typically utilize refunding calls in order to take advantage of lower
    interest rates in the marketplace.  Some of these Refunded Bonds may be
    called for redemption pursuant to pre-refunding provisions ("Pre-Refunded
    Bonds") whereby the proceeds from the issue of the Refunding Bonds are
    typically invested in government securities in escrow for the benefit of
    the holders of the Pre-Refunded Bonds until the refunding call date. 
    Usually, Pre-Refunded Bonds will bear a triple-A rating because of this
    escrow.  The issuers of Pre-Refunded Bonds must call such Bonds on their
    refunding call date.  Therefore, as of such date, the Trust will receive
    the call price for such bonds but will cease receiving interest income
    with respect to them.  For a list of those Bonds which are Pre-Refunded
    Bonds as of the Evaluation Date, if any, see "Notes to Financial
    Statements" in this Part A.  All of the Bonds in the Trust were rated "A"
    or better by Standard & Poor's Corporation or Moody's Investors Service,
    Inc. at the time originally deposited in the Trust.  For a discussion of
    the significance of such ratings see "Description of Bond Ratings" in
    Part B of this Prospectus and for a list of ratings on the Evaluation Date
    see the "Portfolio".  The payment of interest and preservation of capital
    are, of course, dependent upon the continuing ability of the issuers of
    the Bonds to meet their obligations.  There can be no assurance that the
    Trust's objectives will be achieved.  Investment in the Trust should be
    made with an understanding of the risks which an investment in long-term
    fixed rate obligations may entail, including the risk that the value of
    the underlying portfolio will decline with increases in interest rates,
    and that the value of Zero Coupon Bonds is subject to greater fluctuations
    than coupon bonds in response to changes in interest rates.  Each Unit in
    the Trust represents a 1/6645th undivided interest in the principal and
    net income of the Trust.  The principal amount of Bonds deposited in the
    Trust per Unit is reflected in the Summary of Essential Information.  (See
    "The Trust--Organization" in Part B of this Prospectus.)  The Units being
    offered hereby are issued and outstanding Units which have been purchased
    by the Sponsor in the secondary market.

              PUBLIC OFFERING PRICE.  The secondary market Public Offering
    Price of each Unit is equal to the aggregate bid price of the Bonds in the
    Trust divided by the number of Units outstanding, plus a sales charge of
    5.5% of the Public Offering Price, which is the same as 5.820% of the net
    amount invested in Bonds per Unit.  In addition, accrued interest to
    expected date of settlement including earned original issue discount is
    added to the Public Offering Price.  If Units had been purchased on the
    Evaluation Date, the Public Offering Price per Unit would have been
    $481.50 plus accrued interest of $9.84 under the monthly distribution
    plan, $13.04 under the semi-annual distribution plan and $34.26 under the
    annual distribution plan, for a total of $491.34, $494.54 and $515.76,
    respectively.  The Public Offering Price per Unit can vary on a daily
    basis in accordance with fluctuations in the aggregate bid price of the
    Bonds.  (See the "Summary of Essential Information" and "Public Offering--
    Offering Price" in Part B of this Prospectus.)

              ESTIMATED LONG TERM RETURN AND ESTIMATED CURRENT RETURN.  Units
    of each Trust are offered to investors on a "dollar price" basis (using
    the computation method previously described under "Public Offering Price")
    as distinguished from a "yield price" basis often used in offerings of tax
    exempt bonds (involving the lesser of the yield as computed to maturity of
    bonds or to an earlier redemption date).  Since they are offered on a
    dollar price basis, the rate of return on an investment in Units of each
    Trust is measured in terms of "Estimated Current Return" and "Estimated
    Long Term Return".

              Estimated Long Term Return is calculated by:  (1) computing the
    yield to maturity or to an earlier call date (whichever results in a lower
    yield) for each Bond in the Trust's portfolio in accordance with accepted
    bond practices, which practices take into account not only the interest
    payable on the Bond but also the amortization of premiums or accretion of
    discounts, if any; (2) calculating the average of the yields for the Bonds
    in the Trust's portfolio by weighing each Bond's yield by the market value
    of the Bond and by the amount of time remaining to the date to which the
    Bond is priced (thus creating an average yield for the portfolio of the
    Trust); and (3) reducing the average yield for the portfolio of the Trust
    in order to reflect estimated fees and expenses of the Trust and the
    maximum sales charge paid by investors.  The resulting Estimated Long Term
    Return represents a measure of the return to investors earned over the
    estimated life of the Trust.  (For the Estimated Long Term Return to
    Certificateholders under the monthly, semi-annual and annual distribution
    plans, see "Summary of Essential Information".)

              Estimated Current Return is a measure of the Trust's cash flow. 
    Estimated Current Return is computed by dividing the Estimated Net Annual
    Interest Income per Unit by the Public Offering Price per Unit.  In
    contrast to the Estimated Long Term Return, the Estimated Current Return
    does not take into account the amortization of premium or accretion of
    discount, if any, on the Bonds in the portfolio of the Trust.  Moreover,
    because interest rates on Bonds purchased at a premium are generally
    higher than current interest rates on newly issued bonds of a similar type
    with comparable rating, the Estimated Current Return per Unit may be
    affected adversely if such Bonds are redeemed prior to their maturity.  

              The Estimated Net Annual Interest Income per Unit of the Trust
    will vary with changes in the fees and expenses of the Trustee and the
    Evaluator applicable to the Trust and with the redemption, maturity, sale
    or other disposition of the Bonds in the Trust.  The Public Offering Price
    will vary with changes in the bid prices of the Bonds.  Therefore, there
    is no assurance that the present Estimated Current Return or Estimated
    Long Term Return will be realized in the future.  (For the Estimated
    Current Return to Certificateholders under the monthly, semi-annual and
    annual distribution plans, see "Summary of Essential Information".  See
    "Estimated Long Term Return and Estimated Current Return" in Part B of
    this Prospectus.)

              A schedule of cash flow projections is available from the
    Sponsor upon request. 

              DISTRIBUTIONS.  Distributions of interest income, less expenses,
    will be made by the Trust either monthly, semi-annually or annually
    depending upon the plan of distribution applicable to the Unit purchased. 
    A purchaser of a Unit in the secondary market will initially receive
    distributions in accordance with the plan selected by the prior owner of
    such Unit and may thereafter change the plan as provided under "Interest
    and Principal Distributions" in Part B of the Prospectus.  Distributions
    of principal, if any, will be made semi-annually on June 15 and
    December 15 of each year.  (See "Rights of Certificateholders--Interest
    and Principal Distributions" in Part B of this Prospectus.  For estimated
    monthly, semi-annual and annual interest distributions, see "Summary of
    Essential Information.")  
    
              MARKET FOR UNITS.  The Sponsor, although not obligated to do so,
    intends to maintain a market for the Units at prices based upon the
    aggregate bid price of the Bonds in the portfolio of the Trust.  The
    secondary market repurchase price is based on the aggregate bid price of
    the Bonds in the Trust portfolio, and the reoffer price is based on the
    aggregate bid price of the Bonds plus a sales charge of 5.5% (5.820% of
    the net amount invested) plus net accrued interest.  If such a market is
    not maintained, a Certificateholder will be able to redeem his Units with
    the Trustee at a price also based upon the aggregate bid price of the
    Bonds.  (See "Sponsor Repurchase" and "Public Offering--Offering Price" in
    Part B of this Prospectus.)

              TOTAL REINVESTMENT PLAN.  Certificateholders under the semi-
    annual and annual plans of distribution have the opportunity to have their
    interest distributions and principal distributions, if any, reinvested in
    available series of "Municipal Securities Trust."  (See "Total
    Reinvestment Plan" and for residents of Texas, see "Total Reinvestment
    Plan for Texas Residents" in Part B of this Prospectus.)  The Plan is not
    designed to be a complete investment program.

    <PAGE>
    
                            MUNICIPAL SECURITIES TRUST
                               39TH DISCOUNT SERIES

               SUMMARY OF ESSENTIAL INFORMATION AS OF JUNE 30, 1994

    Date of Deposit:  October 10, 1985         Minimum Principal Distribution:
    Principal Amount of Bonds ...$2,830,000     $1.00 per Unit.
    Number of Units .............6,645         Weighted Average Life
    Fractional Undivided Inter-                 to Maturity:  4.97 Years.
      est in Trust per Unit .....1/6645        Minimum Value of Trust:
    Principal Amount of                         Trust may be terminated if
      Bonds per Unit ............$425.88        value of Trust is less than
    Secondary Market Public                     $2,800,000 in principal amount
      Offering Price**                          of Bonds.
      Aggregate Bid Price                      Mandatory Termination Date:
        of Bonds in Trust .......$3,023,582+++  The earlier of December 31,
      Divided by 6,645 Units ....$455.02        2034 or the disposition of the
      Plus Sales Charge of 5.5%                 last Bond in the Trust.
        of Public Offering Price $26.48        Trustee***:  United States Trust 
      Public Offering Price                     Company of New York.
        per Unit ................$481.50+      Trustee's Annual Fee:  Monthly 
    Redemption and Sponsor's                    plan $1.02 per $1,000; semi-
      Repurchase Price                          annual plan $.54 per $1,000;
      per Unit ..................$455.02+       and annual plan is $.35 per
                                        +++     $1,000.
                                        ++++   Evaluator:  Kenny S&P Evaluation
    Excess of Secondary Market                  Services. 
      Public Offering Price                    Evaluator's Fee for Each
      over Redemption and                       Evaluation:  Minimum of $12
      Sponsor's Repurchase                      plus $.25 per each issue of
      Price per Unit ............$26.48++++     Bonds in excess of 50 issues
    Difference between Public                   (treating separate maturities
      Offering Price per Unit                   as separate issues).
      and Principal Amount per                 Sponsor:  Bear, Stearns & Co.
      Unit Premium/(Discount) ...$55.62        Inc.
    Evaluation Time:  4:00 p.m.                Sponsor's Annual Fee:  Maximum of
      New York Time.                            $.25 per $1,000 principal
                                                amount of Bonds (see "Trust
                                                Expenses and Charges" in Part B
                                                of this Prospectus).

        PER UNIT INFORMATION BASED UPON INTEREST DISTRIBUTION PLAN ELECTED

                                            Monthly   Semi-Annual   Annual
                                            Option      Option      Option

    Gross annual interest income# .........$43.15       $43.15     $43.15
    Less estimated annual fees and
      expenses ............................  1.42         1.08        .98
    Estimated net annual interest          ______       ______     ______
      income (cash)# ......................$41.73       $42.07     $42.17
    Estimated interest distribution# ......  3.47        21.03      42.17
    Estimated daily interest accrual# ..... .1159        .1168      .1171
    Estimated current return#++ ........... 8.67%        8.74%      8.76%
    Estimated long term return++ .......... 4.01%        4.08%      4.10%
    Record dates .......................... 1st of      Dec. 1 and  Dec. 1
                                            each month  June 1
    Interest distribution dates ........... 15th of     Dec. 15 and Dec. 15
                                            each month  June 15
    
    <PAGE>
       *  The Date of Deposit is the date on which the Trust Agreement was
          signed and the deposit of the Bonds with the Trustee made. 

      **  For information regarding offering price per unit and applicable
          sales charge under the Total Reinvestment Plan, see "Total
          Reinvestment Plan" in Part B of this Prospectus. 

     ***  The Trustee maintains its corporate trust office at 770 Broadway,
          New York, New York 10003 (tel. no.:  1-800-428-8890).  For
          information regarding redemption by the Trustee, see "Trustee
          Redemption" in Part B of this Prospectus.
    
       +  Plus accrued interest to expected date of settlement (approximately
          five business days after purchase) of $9.84 monthly, $13.04 semi-
          annually and $34.26 annually. 
    
      ++  The estimated current return and estimated long term return are
          increased for transactions entitled to a discount (see "Employee
          Discounts" in Part B of this Prospectus), and are higher under the
          semi-annual and annual options due to lower Trustee's fees and
          expenses. 

     +++  Based solely upon the bid side evaluation of the underlying Bonds
          (including, where applicable, undistributed cash in the principal
          account).  Upon tender for redemption, the price to be paid will be
          calculated as described under "Trustee Redemption" in Part B of this
          Prospectus. 

    ++++  See "Comparison of Public Offering Price, Sponsor's Repurchase Price
          and Redemption Price" in Part B of this Prospectus. 

       #  Does not include income accrual from original issue discount bonds,
          if any.

    <PAGE>
    
                          INFORMATION REGARDING THE TRUST
                                AS OF JUNE 30, 1994


    DESCRIPTION OF PORTFOLIO*

          The portfolio of the Trust consists of 10 issues representing
    obligations of issuers located in 7 states.  The Sponsor has participated
    as a sole underwriter or manager, co-manager or member of an underwriting
    syndicate from which 5.7% of the initial aggregate principal amount of the
    Bonds were acquired.  None of the Bonds are obligations of state and local
    housing authorities; approximately 23% are hospital revenue bonds;
    approximately 23% are issued in connection with the financing of nuclear
    generating facilities; and approximately 1.6% are "mortgage subsidy"
    bonds.  All of the Bonds in the Trust are subject to redemption prior to
    their stated maturity dates pursuant to sinking fund or call provisions. 
    The Bonds may also be subject to other calls, which may be permitted or
    required by events which cannot be predicted (such as destruction,
    condemnation, termination of a contract, or receipt of excess or
    unanticipated revenues).  None of the Bonds are general obligation bonds. 
    Ten issues representing $2,830,000 of the principal amount of the Bonds
    are payable from the income of a specific project or authority and are not
    supported by the issuer's power to levy taxes.  The portfolio is divided
    for purpose of issue as follows:  Airport 1, Coal Power 1, Education
    Assistance 1, Hospital 2, Housing 1, Nuclear Power 2, Parking Authority 1
    and Waste Water 1.  For an explanation of the significance of these
    factors see "The Trust--Portfolio" in Part B of this Prospectus. 

    *     Changes in the Trust Portfolio:  From July 1, 1994 to September 23,
          1994, $15,000 of the principal amount of the Bonds in portfolio
          no. 10, $20,000 of the principal amount of the Bonds in portfolio
          no. 10a and $30,000 of the principal amount of the Bonds in
          portfolio no. 4 have been called and are no longer contained in the
          Trust.  The entire principal amount of the Bonds in portfolio no. 8
          has been called for redemption pursuant to pre-refunding provisions
          and is no longer contained in the Trust.  95 Units have been
          redeemed from the Trust.

          As of June 30, 1994, none of the aggregate principal amount of the
    Bonds were original issue discount bonds.  Approximately 30% of the
    aggregate principal amount of the Bonds in the Trust were purchased at a
    "market" discount from par value at maturity, approximately 61.2% were
    purchased at a premium and approximately 8.8% were purchased at par.  For
    an explanation of the significance of these factors see "Discount and Zero
    Coupon Bonds" in Part B of this Prospectus. 
    
          None of the Bonds in the Trust are subject to the federal individual
    alternative minimum tax under the Tax Reform Act of 1986.  See "Tax
    Status" in Part B of this Prospectus.

    <PAGE>
                       FINANCIAL AND STATISTICAL INFORMATION


    Selected data for each Unit outstanding for the periods listed below:

                                                                    Distribu-
                                                                    tions of
                                          Distributions of Interest Principal
                                         During the Period (per Unit) During
                             Net Asset*            Semi-              the
                  Units Out-   Value     Monthly   Annual   Annual   Period
    Period Ended   standing   Per Unit   Option    Option   Option  (Per Unit)

    June 30, 1992    6,978     $553.26   $46.62    $47.11   $47.63   $14.70
    June 30, 1993    6,744      539.59    46.06     46.48    46.88      -0-
    June 30, 1994    6,645      466.93    43.48     43.91    45.96    46.11
    
    *     Net Asset Value per Unit is calculated by dividing net assets as
          disclosed in the "Statement of Net Assets" by the number of Units
          outstanding as of the date of the Statement of Net Assets.  See
          Note 5 of Notes to Financial Statements for a description of the
          components of Net Assets.
<PAGE>


Independent Auditors' Report


The Sponsor, Trustee and Certificateholders
Municipal Securities Trust, 39th Discount Series:


We have audited the accompanying statement of net assets, including the
portfolio, of Municipal Securities Trust, 39th Discount Series as of
June 30, 1994, and the related statements of operations, and changes
in net assets for each of the years in the three year period then ended.
These financial statements are the responsibility of the Trustee (see
note 2).  Our responsibility is to express an opinion on these financial
statements based on our audits.

We conducted our audits in accordance with generally accepted auditing
standards.  Those standards require that we plan and perform the audit
to obtain reasonable assurance about whether the financial statements
are free of material misstatement.  An audit includes examining, on a
test basis, evidence supporting the amounts and disclosures in the
financial statements.  Our procedures included confirmation of
securities owned as of June 30, 1994, by correspondence with the
Trustee.  An audit also includes assessing the accounting principles
used and significant estimates made by management, as well as
evaluating the overall financial statement presentation.  We believe
that our audits provide a reasonable basis for our opinion.

In our opinion, the financial statements referred to above present
fairly, in all material respects, the financial position of Municipal
Securities Trust, 39th Discount Series as of June 30, 1994, and the
results of its operations and the changes in its net assets for each
of the years in the three year period then ended, in conformity with
generally accepted accounting principles.




    KPMG Peat Marwick LLP


New York, New York
September 15, 1994
<PAGE>
<TABLE>

                  MUNICIPAL SECURITIES TRUST, 39TH DISCOUNT SERIES

                              Statement of Net Assets

                                   June 30, 1994
<S>                                                                           <C> 
       Investments in marketable securities,
          at market value (cost   $2,837,671)                                 $    3,037,774

       Excess of other assets over total liabilities                                  64,982
                                                                                -------------

       Net assets ( 6,645 units   of fractional undivided
          interest outstanding,   $466.93 per         unit)                   $    3,102,756
                                                                                =============

       See accompanying notes to financial statements.
</TABLE> 

<PAGE>
<TABLE> 
                  MUNICIPAL SECURITIES TRUST, 39TH DISCOUNT SERIES

                              Statements of Operations
<CAPTION>
                                                              Years ended June 30,
                                                ------------ ---- ------------- ---- -----------
                                                    1994              1993              1992
                                                ------------      -------------      -----------
<S>                                           <C>                 <C>                <C> 
     Investment income - interest             $     299,277            327,177          339,398
                                                ------------      -------------      -----------

     Expenses:
        Trustee's fees                                4,168              4,654            5,598
        Evaluator's fees                              3,579              3,412            3,024
        Sponsor's advisory fee                          804              1,228            1,241
                                                ------------      -------------      -----------

                   Total expenses                     8,551              9,294            9,863
                                                ------------      -------------      -----------

                   Investment income, net           290,726            317,883          329,535
                                                ------------      -------------      -----------

     Realized and unrealized gain (loss)
        on investments:
          Net realized loss
            on bonds sold or called                  (6,306)            (1,959)            (605)
          Unrealized appreciation
            (depreciation) for the year            (169,643)           (91,556)          11,433
                                                ------------      -------------      -----------

                Net gain (loss)
                  on investments                   (175,949)           (93,515)          10,828
                                                ------------      -------------      -----------

                Net increase in net
                  assets resulting
                  from operations             $     114,777            224,368          340,363
                                                ============      =============      ===========
</TABLE> 
<PAGE>
<TABLE> 
                    MUNICIPAL SECURITIES TRUST, 39TH DISCOUNT SERIES

                           Statements of Changes in Net Assets
<CAPTION>
                                                                     Years ended June 30,
                                                      --------------  -- ------------ -- -------------
                                                           1994              1993            1992
                                                      --------------     ------------    -------------
<S>                                                 <C>                  <C>             <C> 
      Operations:
         Investment income, net                     $       290,726          317,883          329,535
         Net realized loss on
           bonds sold or called                              (6,306)          (1,959)            (605)
         Unrealized appreciation
           (depreciation) for the year                     (169,643)         (91,556)          11,433
                                                      --------------     ------------    -------------

                      Net increase in net
                        assets resulting
                        from operations                     114,777          224,368          340,363
                                                      --------------     ------------    -------------

      Distributions:
         To Certificateholders
           Investment income                                292,245          317,578          327,114
           Principal                                        308,768           -               102,620

      Redemptions:
         Interest                                             1,613            2,801              116
         Principal                                           48,365          125,681            5,499
                                                      --------------     ------------    -------------

                      Total distributions and
                        redemptions                         650,991          446,060          435,349
                                                      --------------     ------------    -------------

                      Total decrease                       (536,214)        (221,692)         (94,986)

      Net assets at beginning of year                     3,638,970        3,860,662        3,955,648
                                                      --------------     ------------    -------------

      Net assets at end of year (including
         undistributed net investment
         income of     $79,175,   $82,307 and
         $87,115, respectively)                     $     3,102,756        3,638,970        3,860,662
                                                      ==============     ============    =============

      See accompanying notes to financial statements.
</TABLE> 
<PAGE>

MUNICIPAL SECURITIES TRUST, 39TH DISCOUNT SERIES

Notes to Financial Statements

June 30, 1994, 1993 and 1992

(1)    Organization and Financial and Statistical Information

Municipal Securities Trust, 39th Discount Series (Trust) was
organized on October 10, 1985 Bear, Stearns & Co. Inc. (Sponsor)
under the laws of the State of New York by a Trust Indenture and
Agreement, and is registered under the Investment Company Act
of 1940.

(2)    Summary of Significant Accounting Policies

United States Trust Company of New York (Trustee) has custody of and
responsibility for the accounting records and financial statements of
the Trust and is responsible for establishing and maintaining a
system of internal control related thereto.

The Trustee is also responsible for all estimates of expenses and
accruals reflected in the Trust's financial statements.  The
accompanying financial statements have been adjusted to record the
unrealized appreciation (depreciation) of investments and to record
interest income and expenses on the accrual basis.

Investments are carried at market value which is determined by either
Standard & Poor's Corporation or Moody's Investors Service, Inc.
(Evaluator) as discussed in the footnotes to the portfolio.  The
market value of the investments is based upon the bid prices for the
bonds at the end of the year, except that the market value on the
date of deposit represents the cost to the Trust based on the
offering prices for investments at that date.  The difference between
cost and market value is reflected as unrealized appreciation
(depreciation) of investments.  Securities transactions are recorded
on the trade date.  Realized gains (losses) from securities
transactions are determined on the basis of average cost of the
securities sold or redeemed.

(3)    Income Taxes

The Trust is not subject to Federal income taxes as provided for by
the Internal Revenue Code.

(4)    Trust Administration

The fees and expenses of the Trust are incurred and paid on the basis
set forth under "Trust Expenses and Charges" in Part B of this
Prospectus.

The Trust Indenture and Agreement provides for interest distributions
as often as monthly (depending upon the distribution plan elected by
the Certificateholders).

The Trust Indenture and Agreement further requires that principal
received from the disposition of bonds, other than those bonds sold
in connection with the redemption of units, be distributed to
Certificateholders.

See "Financial and Statistical Information" in Part A of this
Prospectus for the amounts of per unit distributions during the years
ended June 30, 1994, 1993 and 1992.

The Trust Indenture and Agreement also requires the Trust to redeem
units tendered.  99 units, 234 units and 10 units were redeemed
during the years ended June 30, 1994, 1993 and 1992, respectively.

(5)    Net Assets

At June 30, 1994, the net assets of the Trust represented the
interest of Certificateholders as follows:

Original cost to Certificateholders               $ 4,110,224
Less initial gross underwriting commission           (226,030)

                                                     3,884,194

Cost of securities sold or called                   (1,046,523)
Net unrealized appreciation                            200,103
Undistributed net investment income                     79,175
Distribution in excess of proceeds
  from bonds sold or called                           (14,193)

            Total                                  $ 3,102,756


The original cost to Certificateholders, less the initial gross
underwriting commission, represents the aggregate initial public offering
price net of the applicable sales charge on 7,000 units of fractional
undivided interest of the Trust as of the date of deposit.
<PAGE>
<TABLE> 


                        MUNICIPAL SECURITIES TRUST, 39TH DISCOUNT SERIES
Portfolio
June 30, 1994
<CAPTION>
Port-      Aggregate                                    Coupon Rate/    Redemption Feature
folio      Principal        Name of Issuer     Ratings  Date(s) of      S.F.--Sinking Fund        Market
No.         Amount        and Title of Bonds     (1)    Maturity(2)     Ref.--Refunding(2)(7)     Value(3)
- ----     -------------   ---------------------   ----   -------------   ----------------------    ---------
<S>   <C>                <C>                     <C>    <C>             <C>                    <C> 
1     $        400,000   Dade County , Florida   AAA*   10.000%         10/01/06 @ 100 S.F.    $    434,484
                         Solid Waste System             10/01/2010      10/01/95 @ 102 Ref.
                         Special Obligation
                         Revenue Bonds Series
                         1985 A (5)

  2            250,000   Illinois Health         AAA    10.250          9/01/95 @ 100 S.F.          271,183
                         Facilities Authority           9/01/2015       9/01/95 @ 102 Ref.
                         Revenue Bonds, Series
                         1985 (Illinois
                         Masonic Medical
                         Center) (5)

  3            400,000   Illinois Health         BB+    10.300          6/01/01 @ 100 S.F.          431,380
                         Facilities Authority           6/01/2013       6/01/95 @ 102 Ref.
                         Revenue Bonds, Series
                         1985-A (Grant
                         Hospital of Chicago)

  4             45,000   Nebraska Mortgage       AA*    10.125          7/15/03 @ 100 S.F.           46,514
                         Finance Fund Single            1/15/2014       1/15/95 @ 103 Ref.
                         Family Mortgage
                         Revenue Bonds, 1983
                         Series A

  5            400,000   North Carolina          AAA    10.000          1/01/02 @ 100 S.F.          422,736
                         Eastern Municipal              1/01/2017       1/01/95 @ 103 Ref.
                         Power Agency Power
                         System Revenue Bonds,
                         Series 1985 E (5)

  6            200,000   Tulsa Parking            A     9.750           10/01/99 @ 100 S.F.         216,408
                         Authority (Tulsa,              10/01/2003      10/01/95 @ 102 Ref.
                         Oklahoma) Parking
                         Revenue Bonds,
                         Refunding Series 1985
                         A

  7            220,000   City of Austin, Texas   AAA    10.250          11/15/04 @ 100 S.F.         241,080
                         Combined Utility               11/15/2012      11/15/95 @ 102 S.F.
                         Systems Revenue
                         Refunding Bonds,
                         Series 1985 (5)

  7a           180,000   City of Austin, Texas   AAA    10.250          11/15/04 @ 100 S.F.         197,248
                         Combined Utility               11/15/2012      11/15/95 @ 102 S.F.
                         Systems Revenue
                         Refunding Bonds,
                         Series 1985 (5)

  8            125,000   City of Houston,         A*    10.875          7/01/04 @ 100 S.F.          128,125
                         Texas Airport System           7/01/2013       7/01/94 @ 102.5 Ref.
                         Subordinate Lien
                         Refunding Revenue
                         Bonds Series 1984

  9            250,000   Matagorda County         A-    10.125          No Sinking Fund             274,435
                         Navigation District            10/15/2014      10/15/95 @ 103 Ref.
                         Number One (Texas)
                         (Central Power and
                         Light Company
                         Project) Series 1984

 10            340,000   State of Wisconsin       AA    10.000          7/01/03 @ 100 S.F.          354,181
                         Health Education               1/01/2012       1/01/95 @ 103 Ref.
                         Assistance Loan
                         Revenue Obligaton
                         Bonds, 1985 Series A

 10a            20,000   State of Wisconsin       AA    10.000          7/01/03 @ 100 S.F.           20,000
                         Health Education               1/01/2012       7/01/94 @ 100 Ref.
                         Assistance Loan
                         Revenue Obligaton
                         Bonds, 1985 Series A
         -------------                                                                            ---------

      $      2,830,000                                                                         $  3,037,774
         =============                                                                            =========
</TABLE> 
<PAGE>

MUNICIPAL SECURITIES TRUST, 39TH DISCOUNT SERIES

Footnotes to Portfolio

June 30, 1994

(1) All ratings are by Standard & Poor's Corporation, except for those
identified by an asterisk (*) which are by Moody's Investors Service,
Inc.  A brief description of the ratings symbols and their meanings
is set forth under "Description of Bond Ratings" in Part B of this
Prospectus.

(2) See "The Trust - Portfolio" in Part B of this Prospectus for an
explanation of redemption features.  See "Tax Status" in Part B of
this Prospectus for a statement of the Federal tax consequences to a
Certificateholder upon the sale, redemption or maturity of a bond.

(3) At June 30, 1994, the net unrealized appreciation of all the bonds
was comprised of the following:

            Gross unrealized appreciation        $ 206,587
            Gross unrealized depreciation           (6,484)

              Net unrealized appreciation        $ 200,103

(4) The annual interest income, based upon the bonds held at June 30,
1994, to the Trust is $286,788.

(5) The bonds have been prerefunded and will be redeemed at the next
refunding call date.

(6) Bonds sold or called after June 30, 1994 are noted in a footnote
"Changes in Trust Portfolio" under "Description of Portfolio" in Part
A of this Prospectus.

(7) The Bonds may also be subject to other calls, which may be permitted
or required by events which cannot be predicted (such as destruction,
condemnation, termination of a contract, or receipt of excess or
unanticipated revenues).
<PAGE>

                   


                 Note:  Part B of This Prospectus May Not Be     
                        Distributed Unless Accompanied by Part A.

                         Please Read and Retain Both Parts
                     of This Prospectus for Future Reference.


                            MUNICIPAL SECURITIES TRUST

                                 Prospectus Part B
       
                             Dated:  October 28, 1994
        

                                     THE TRUST

    Organization

              "Municipal Securities Trust" (the "Trust") consists of the "unit
    investment trusts" designated as set forth in Part A.*  The Trust was
    created under the laws of the State of New York pursuant to a Trust
    Indenture and Agreements** (collectively, the "Trust Agreement"), dated
    the Date of Deposit, among Bear, Stearns & Co. Inc., as Sponsor, Kenny S&P
    Evaluation Services, as Evaluator, and, depending on the particular Trust,
    either The Bank of New York or United States Trust Company of New York, as
    Trustee.  The name of the Trustee for a particular Trust is contained in
    the "Summary of Essential Information" in Part A.  For a description of
    the Trustee for a particular Trust, see "Trust Administration--The
    Trustee."

    *    This Part B relates to the outstanding series of Municipal Securities
         Trust or Municipal Securities Trust Discount Series as reflected in
         Part A attached hereto.


    **   References in this Prospectus to the Trust Agreements are qualified
         in their entirety by the respective Trust Indentures and Agreements
         which are incorporated herein by reference.

              On the Date of Deposit the Sponsor deposited with the Trustee
    long-term bonds and/or delivery statements relating to contracts for the
    purchase of certain such bonds (the "Bonds") and cash or an irrevocable
    letter of credit issued by a major commercial bank in the amount required
    for such purchases.  Thereafter, the Trustee, in exchange for the Bonds so
    deposited, delivered to the Sponsor the Certificates evidencing the
    ownership of all Units of the Trust. 

              The Trust consists of the bonds described under "The Trust" in
    Part A of this Prospectus, the interest (including, where applicable
    earned original discount) on which, in the opinions of bond counsel to the
    respective issuers given at the time of original delivery of the Bonds, is
    exempt from regular federal income tax under existing law. 

              Each "Unit" outstanding on the Evaluation Date represented an
    undivided interest or pro rata share in the principal and interest of the
    Trust in the per Unit ratio set forth under "Summary of Essential
    Information" in Part A.  To the extent that any Units are redeemed by the
    Trustee, the fractional undivided interest or pro rata share in the Trust
    represented by each unredeemed Unit will increase, although the actual
    interest in the Trust represented by such fraction will remain unchanged. 
    Units will remain outstanding until redeemed upon tender to the Trustee by
    Certificateholders, which may include the Sponsor or until the termination
    of the Trust Agreement. 

    Objectives
       
              The Trust, one of a series of similar but separate unit
    investment trusts formed by the Sponsor, offers investors the opportunity
    to participate in a portfolio of long-term tax-exempt bonds with a greater
    diversification than they might be able to acquire themselves.  The
    objectives of the Trust are to preserve capital and to provide interest
    income (including, where applicable, earned original issue discount)
    which, in the opinions of bond counsel to the respective issuers given at
    the time of original delivery of the Bonds, is, with certain exceptions,
    exempt from regular federal income tax under existing law.  Such interest
    income may, however, be subject to the federal corporate alternative
    minimum tax and to state and local taxes.  An investor will realize
    taxable income upon maturity or early redemption of the market discount
    bonds in a Trust portfolio and will realize, where applicable, tax-exempt
    income to the extent of the earned portion of interest, including original
    issue discount earned on the bonds in a Trust portfolio.  Investors should
    be aware that there is no assurance the Trust's objectives will be
    achieved as these objectives are dependent on the continuing ability of
    the issuers of the Bonds to meet their interest and principal payment
    requirements, on the continuing satisfaction of the Bonds of the
    conditions required for the exemption of interest thereon from regular
    federal income tax, and on the market value of the Bonds, which can be
    affected by fluctuations in interest rates and other factors.  
        

              Since disposition of Units prior to final liquidation of the
    Trust may result in an investor receiving less than the amount paid for
    such Units (see "Comparison of Public Offering Price, Sponsor's Repurchase
    Price and Redemption Price"), the purchase of a Unit should be looked upon
    as a long-term investment.  Neither the Trust nor the Total Reinvestment
    Plan is designed to be a complete investment program. 

    Portfolio

              All of the Bonds in the Trust were rated "A" or better by
    Standard & Poor's Corporation or Moody's Investors Service, Inc. at the
    time originally deposited in the Trust.  For a list of the ratings of each
    Bond on the Evaluation Date, see "Portfolio" in Part A. 

              For information regarding (i) the number of issues in the Trust,
    (ii) the range of fixed maturities of the Bonds, (iii) the number of
    issues payable from the income of a specific project or authority and
    (iv) the number of issues constituting general obligations of a government
    entity, see "The Trust" and "Portfolio" in Part A. 

              When selecting Bonds for the Trust, the following factors, among
    others, were considered by the Sponsor on the Date of Deposit:  (a) the
    quality of the Bonds and whether such Bonds were rated "A" or better by
    either Standard & Poor's Corporation or Moody's Investors Service, Inc.,
    (b) the yield and price of the Bonds relative to other tax-exempt
    securities of comparable quality and maturity, (c) income to the Certifi-
    cateholders of the Trust and (d) the diversification of the Trust
    portfolio, as to purpose of issue and location of issuer, taking into
    account the availability in the market of issues which meet the Trust's
    quality, rating, yield and price criteria.  Subsequent to the Evaluation
    Date, a Bond may cease to be rated or its rating may be reduced below that
    specified above.  Neither event requires an elimination of such Bond from
    a Trust but may be considered in the Sponsor's determination to direct the
    Trustee to dispose of the Bond.  See "Portfolio Supervision".  For an
    interpretation of the bond ratings see "Description of Bond Ratings".

              Housing Bonds.  Some of the aggregate principal amount of the
    Bonds may consist of obligations of state and local housing authorities
    whose revenues are primarily derived from mortgage loans to rental housing
    projects for low to moderate income families.  Since such obligations are
    usually not general obligations of a particular state or municipality and
    are generally payable primarily or solely from rents and other fees,
    adverse economic developments including failure or inability to increase
    rentals, fluctuations of interest rates and increasing construction and
    operating costs may reduce revenues available to pay existing obligations. 
    See "Description of Portfolio" in Part A for the amount of rental housing
    bonds contained therein.

              Hospital Revenue Bonds.  Some of the aggregate principal amount
    of the Bonds may consist of hospital revenue bonds.  Ratings of hospital
    bonds are often initially based on feasibility studies which contain
    projections of occupancy levels, revenues and expenses.  Actual experience
    may vary considerably from such projections.  A hospital's gross receipts
    and net income will be affected by future events and conditions including,
    among other things, demand for hospital services and the ability of the
    hospital to provide them, physicians' confidence in hospital management
    capability, economic developments in the service area, competition,
    actions by insurers and governmental agencies and the increased cost and
    possible unavailability of malpractice insurance.  Additionally, a major
    portion of hospital revenue typically is derived from federal or state
    programs such as Medicare and Medicaid which have been revised
    substantially in recent years and which are undergoing further review at
    the state and federal level.
       
              The health care delivery system is undergoing considerable
    alteration and consolidation.  Consistent with that trend, the ownership
    or management of a hospital or health care facility may change, which
    could result in (i) an early redemption of bonds, (ii) alteration of the
    facilities financed by the Bonds or which secure the Bonds, (iii) a change
    in the tax exempt status of the Bonds or (iv) an inability to produce
    revenues sufficient to make timely payment of debt service on the Bonds.

              Proposals for significant changes in the health care system and
    the present programs for third party payment of health care costs are
    under consideration in Congress and many states.  Future legislation or
    changes in the areas noted above, among other things, would affect all
    hospitals to varying degrees and, accordingly, any adverse change in these
    areas may affect the ability of such issuers to make payment of principal
    and interest on such bonds.  See "Description of Portfolio" in Part A for
    the amount of hospital revenue bonds contained therein.
        
              Nuclear Power Facility Bonds.  Certain Bonds may have been
    issued in connection with the financing of nuclear generating facilities. 
    In view of recent developments in connection with such facilities,
    legislative and administrative actions have been taken and proposed
    relating to the development and operation of nuclear generating
    facilities.  The Sponsor is unable to predict whether any such actions or
    whether any such proposals or litigation, if enacted or instituted, will
    have an adverse impact on the revenues available to pay the debt service
    on the Bonds in the portfolio issued to finance such nuclear projects. 
    See "Description of Portfolio" in Part A for the amount of bonds issued to
    finance nuclear generating facilities contained therein.

              Mortgage Subsidy Bonds.  Certain Bonds may be "mortgage subsidy
    bonds" which are obligations of which all or a significant portion of the
    proceeds are to be used directly or indirectly for mortgages on owner-
    occupied residences.  Section 103A of the Internal Revenue Code of 1954,
    as amended, provided as a general rule that interest on "mortgage subsidy
    bonds" will not be exempt from Federal income tax.  An exception is
    provided for certain "qualified mortgage bonds."  Qualified mortgage bonds
    are bonds that are used to finance owner-occupied residences and that meet
    numerous statutory requirements.  These requirements include certain
    residency, ownership, purchase price and target area requirements, ceiling
    amounts for state and local issuers, arbitrage restrictions and (for bonds
    issued after December 31, 1984) certain information reporting,
    certification, public hearing and policy statement requirements.  In the
    opinions of bond counsel to the issuing governmental authorities, interest
    on all the Bonds in a Trust that might be deemed "mortgage subsidy bonds"
    will be exempt from Federal income tax when issued.  See "Description of
    Portfolio" in Part A for the amount of mortgage subsidy Bonds contained
    therein. 

              Mortgage Revenue Bonds.  Certain Bonds may be "mortgage revenue
    bonds."  Under the Internal Revenue Code of 1986, as amended (the "Code")
    (and under similar provisions of the prior tax law) "mortgage revenue
    bonds" are obligations the proceeds of which are used to finance owner-
    occupied residences under programs which meet numerous statutory
    requirements relating to residency, ownership, purchase price and target
    area requirements, ceiling amounts for state and local issuers, arbitrage
    restrictions, and certain information reporting certification, and public
    hearing requirements.  There can be no assurance that additional federal
    legislation will not be introduced or that existing legislation will not
    be further amended, revised, or enacted after delivery of these Bonds or
    that certain required future actions will be taken by the issuing
    governmental authorities, which action or failure to act could cause
    interest on the Bonds to be subject to federal income tax.  If any portion
    of the Bonds proceeds are not committed for the purpose of the issue,
    Bonds in such amount could be subject to earlier mandatory redemption at
    par, including issues of Zero Coupon Bonds (see "Discount and Zero Coupon
    Bonds").  See "Description of Portfolio" in Part A for the amount of
    mortgage revenue bonds contained therein.
       
              Private Activity Bonds.  The portfolio of the Trust may contain
    other Bonds which are "private activity bonds" (often called Industrial
    Revenue Bonds ("IRBs") if issued prior to 1987) which would be primarily
    of two types:  (1) Bonds for a publicly owned facility which a private
    entity may have a right to use or manage to some degree, such as an
    airport, seaport facility or water system and (2) facilities deemed owned
    or beneficially owned by a private entity but which were financed with
    tax-exempt bonds of a public issuer, such as a manufacturing facility or a
    pollution control facility.  In the case of the first type, bonds are
    generally payable from a designated source of revenues derived from the
    facility and may further receive the benefit of the legal or moral
    obligation of one or more political subdivisions or taxing jurisdictions. 
    In most cases of project financing of the first type, receipts or revenues
    of the Issuer are derived from the project or the operator or from the
    unexpended proceeds of the bonds.  Such revenues include user fees,
    service charges, rental and lease payments, and mortgage and other loan
    payments.
        
              The second type of issue will generally finance projects which
    are owned by or for the benefit of, and are operated by, corporate
    entities.  Ordinarily, such private activity bonds are not general
    obligations of governmental entities and are not backed by the taxing
    power of such entities, and are solely dependent upon the creditworthiness
    of the corporate user of the project or corporate guarantor.

              The private activity bonds in the Trust have generally been
    issued under bond resolutions, agreements or trust indentures pursuant to
    which the revenues and receipts payable under the issuer's arrangements
    with the users or the corporate operator of a particular project have been
    assigned and pledged to the holders of the private activity bonds.  In
    certain cases a mortgage on the underlying project has been assigned to
    the holders of the private activity bonds or a trustee as additional
    security.  In addition, private activity bonds are frequently directly
    guaranteed by the corporate operator of the project or by another
    affiliated company.  See "Description of Portfolio" in Part A for the
    amount of private activity bonds contained therein.

              Litigation.  Litigation challenging the validity under state
    constitutions of present systems of financing public education has been
    initiated in a number of states.  Decisions in some states have been
    reached holding such school financing in violation of state constitutions. 
    In addition, legislation to effect changes in public school financing has
    been introduced in a number of states.  The Sponsor is unable to predict
    the outcome of the pending litigation and legislation in this area and
    what effect, if any, resulting changes in the sources of funds, including
    proceeds from property taxes applied to the support of public schools, may
    have on the school bonds in a Trust. 
       
              Legal Proceedings Involving the Trusts.  The Sponsor has been
    notified of the following events involving the County of El Paso, Colorado
    Single Family Mortgage Revenue Bonds, 1982 Series A (the "El Paso Bonds")
    contained in the portfolio of several of the Trusts set forth in Part A of
    this Prospectus:

              The Sponsor has been notified by the bond trustee that the
    obligor on the El Paso Bonds failed to make to the bond trustee the full
    interest payment due on September 1, 1994.  The failure to make a full
    interest payment to the bond trustee constitutes an event of default under
    the terms of the bond indenture.  Accordingly, the Trusts containing the
    El Paso Bonds have stopped accruing interest on the El Paso Bonds. 

              Other than the event of default relating to the El Paso Bonds
    described above, as of the date of this Prospectus the Sponsor has not 
    been notified or made aware of any litigation pending with respect to 
    any Bonds which might reasonably be expected to have a material adverse 
    effect on a Trust.  Such litigation, as, for example, suits challenging 
    the issuance of pollution control revenue bonds under recently-enacted 
    environmental protection statutes, may affect the validity of such 
    Bonds or the tax-free nature of the interest thereon.  At any time after
    the date of this Prospectus litigation may be instituted on a variety 
    of grounds with respect to the El Paso Bonds or any other Bonds in a 
    Trust.  The Sponsor is unable to predict whether any such litigation 
    may be instituted or, if instituted, whether it might have a material 
    adverse effect on a Trust.
        
              Other Factors.  The Bonds in the Trust, despite their optional
    redemption provisions which generally do not take effect until 10 years
    after the original issuance dates of such bonds (often referred to as "ten
    year call protection"), do contain provisions which require the issuer to
    redeem such obligations at par from unused proceeds of the issue within a
    stated period.  In recent periods there have been increased redemptions of
    bonds, particularly housing bonds, pursuant to such redemption provisions. 
    In addition, the Bonds in the Trusts are also subject to mandatory
    redemption in whole or in part at par at any time that voluntary or
    involuntary prepayments of principal on the underlying collateral are made
    to the trustee for such bonds or that the collateral is sold by the bond
    issuer.  Prepayments of principal tend to be greater in periods of
    declining interest rates; it is possible that such prepayments could be
    sufficient to cause a bond to be redeemed substantially prior to its
    stated maturity date, earliest call date or sinking fund redemption date.

              The Bonds may also be subject to other calls, which may be
    permitted or required by events which cannot be predicted (such as
    destruction, condemnation, or termination of a contract).

              In 1976 the federal bankruptcy laws were amended so that an
    authorized municipal debtor could more easily seek federal court
    protection to assist in reorganizing its debts so long as certain
    requirements were met.  Historically, very few financially troubled
    municipalities have sought court assistance for reorganizing their debts;
    notwithstanding, the Sponsors are unable to predict to what extent
    financially troubled municipalities may seek court assistance in
    reorganizing their debts in the future and, therefore, what effect, if
    any, the applicable federal bankruptcy law provisions will have on the
    Trusts.
       
              The Trust may also include "moral obligation" bonds.  Under
    statutes applicable to such bonds, if an issuer is unable to meet its
    obligations, the repayment of such bonds becomes a moral commitment but
    not a legal obligation of the state or municipality in question.  See
    "Description of Portfolio" and "The Trust" in Part A of this Prospectus
    for the amount of moral obligations bonds contained in the Trust.
        
              Certain of the Bonds in the Trust are subject to redemption
    prior to their stated maturity dates pursuant to sinking fund or call
    provisions.  A sinking fund is a reserve fund appropriated specifically
    toward the retirement of a debt.  A callable bond is one which is subject
    to redemption or refunding prior to maturity at the option of the issuer. 
    A refunding is a method by which a bond is redeemed at or before maturity
    from the proceeds of a new issue of bonds.  In general, call provisions
    are more likely to be exercised when the offering side evaluation of a
    bond is at a premium over par than when it is at a discount from par.  A
    listing of the sinking fund and call provisions, if any, with respect to
    each of the Bonds is contained under "Portfolio" in Part A of this
    Prospectus.  Certificateholders will realize a gain or loss on the early
    redemption of such Bonds, depending upon whether the price of such Bonds
    is at a discount from or at a premium over par at the time Certificate-
    holders purchase their Units. 

              Neither the Sponsor nor the Trustee shall be liable in any way
    for any default, failure or defect in any of the Bonds.  Because certain
    of the Bonds from time to time may be redeemed or will mature in
    accordance with their terms or may be sold under certain circumstances, no
    assurance can be given that a Trust will retain its present size and
    composition for any length of time.  The proceeds from the sale of a Bond
    or the exercise of any redemption or call provision will be distributed to
    Certificateholders on the next distribution date, except to the extent
    such proceeds are applied to meet redemptions of Units.  See "Trustee
    Redemption".

    Discount and Zero Coupon Bonds
       
              Some of the Bonds in the Municipal Discount Trust and Municipal
    Trust may contain original issue discount bonds (see "Description of
    Portfolio" in the Part A).  The original issue discount, which is the
    difference between the initial purchase price of the Bonds and the face
    value, is deemed to accrue on a daily basis and the accrued portion will
    be treated as tax-exempt interest income for regular federal income tax
    purposes.  Upon sale or redemption, any gain realized that is in excess of
    the earned portion of original issue discount will be taxable as capital
    gain.  (See "Tax Status".)  The current value of an original issue
    discount bond reflects the present value of its face amount at maturity. 
    The market value tends to increase more slowly in early years and in
    greater increments as the Bonds approach maturity.  Of these original
    issue discount bonds, a portion of the aggregate principal amount of the
    Bonds in the Trust are Zero Coupon Bonds.  Zero Coupon Bonds do not
    provide for the payment of any current interest and provide for payment at
    maturity at face value unless sooner sold or redeemed.  The market value
    of Zero Coupon Bonds is subject to greater fluctuation than coupon bonds
    in response to changes in interest rates.  Zero Coupon Bonds generally are
    subject to redemption at compound accreted value based on par value at
    maturity.  Because the issuer is not obligated to make current interest
    payments, Zero Coupon Bonds may be less likely to be redeemed than coupon
    bonds issued at a similar interest rate. 
        
              Some of the Bonds in the Trust may have been purchased at a
    "market" discount from par value at maturity.  This is because the coupon
    interest rates on the discount bonds at the time they were purchased and
    deposited in the Trust were lower than the current market interest rates
    for newly issued bonds of comparable rating and type.  At the time of
    issuance the discount bonds were for the most part issued at then current
    coupon interest rates.  The current returns (coupon interest income as a
    percentage of market price) of discount bonds will be lower than the
    current returns of comparably rated bonds of similar type newly issued at
    current interest rates because discount bonds tend to increase in market
    value as they approach maturity and the full principal amount becomes
    payable.  A discount bond held to maturity will have a larger portion of
    its total return in the form of capital gain and less in the form of tax-
    exempt interest income than a comparable bond newly issued at current
    market rates.  Gain on the disposition of a Bond purchased at a market
    discount generally will be treated as ordinary income, rather than capital
    gain, to the extent of accrued market discount.  Discount bonds with a
    longer term to maturity tend to have a higher current return and a lower
    current market value than otherwise comparable bonds with a shorter term
    of maturity.  If interest rates rise, the value of discount bonds will
    decrease; and if interest rates decline, the value of discount bonds will
    increase.  The discount does not necessarily indicate a lack of market
    confidence in the issuer. 


                                  PUBLIC OFFERING

    Offering Price

              The secondary market Public Offering Price per Unit is computed
    by adding to the aggregate bid price of the Bonds in each Trust divided by
    the number of Units outstanding, an amount based on the applicable sales
    charge times such aggregate bid price of the Bonds in each Trust (see
    "Public Offering Price" in Part A for the applicable sales charge for the
    Trust).  A proportionate share of accrued interest on the Bonds to the
    expected date of settlement for the Units is added to the Public Offering
    Price.  Accrued interest is the accumulated and unpaid interest on a Bond
    from the last day on which interest was paid and is initially accounted
    for daily by the Trust at the daily rate set forth under "Summary of
    Essential Information" in Part A.  The secondary market Public Offering
    Price can vary on a daily basis from the amount stated in Part A in
    accordance with fluctuations in the prices of the Bonds.  The price to be
    paid by each investor will be computed on the basis of an evaluation made
    on the day the Units are purchased.  The aggregate bid price evaluation of
    the Bonds is determined in the manner set forth under "Trustee
    Redemption".

              The Evaluator may obtain current prices for the Bonds from
    investment dealers or brokers (including the Sponsor) that customarily
    deal in tax-exempt obligations or from any other reporting service or
    source of information which the Evaluator deems appropriate. 

    Accrued Interest

              An amount of accrued interest which represents accumulated
    unpaid or uncollected interest on a Bond from the last day on which
    interest was paid thereon will be added to the Public Offering Price and
    paid by the Certificateholder at the time the Units are purchased.  Since
    the Trust normally receives the interest on Bonds twice a year and the
    interest on the Bonds in the Trust is accrued on a daily basis, the Trust
    will always have an amount of interest accrued but not actually received
    and distributed to Certificateholders.  A Certificateholder will not
    recover his proportionate share of accrued interest until the Units are
    sold or redeemed, or the Trust is terminated.  At that time, the Certifi-
    cateholder will receive his proportionate share of the accrued interest
    computed to the settlement date in the case of a sale or termination and
    to the date of tender in the case of redemption. 

    Employee Discounts

              Employees (and their immediate families) of Bear, Stearns & Co.
    Inc. and of any underwriter of a Trust, pursuant to employee benefit
    arrangements, may purchase Units of a Trust at a price equal to the bid
    side evaluation of the underlying securities in the Trust divided by the
    number of Units outstanding plus a reduced sales charge of $10.00 per
    Unit.  Such arrangements result in less selling effort and selling
    expenses than sales to employee groups of other companies.  Resales or
    transfers of Units purchased under the employee benefit arrangements may
    only be made through the Sponsor's secondary market, so long as it is
    being maintained. 

    Distribution of Units

              Certain banks and thrifts will make Units of the Trust available
    to their customers on an agency basis.  A portion of the sales charge paid
    by their customers is retained by or remitted to the banks.  Under the
    Glass-Steagall Act, banks are prohibited from underwriting Units; however,
    the Glass-Steagall Act does permit certain agency transactions and the
    banking regulators have indicated that these particular agency
    transactions are permitted under such Act.  In addition, state securities
    laws on this issue may differ from the interpretations of federal law
    expressed herein and banks and financial institutions may be required to
    register as dealers pursuant to state law.

              The Sponsor intends to qualify the Units for sale in
    substantially all States through dealers who are members of the National
    Association of Securities Dealers, Inc.  Units may be sold to dealers at
    prices which represent a concession of up to (a) 4% of the Public Offering
    Price for the Municipal Securities Trust Series or (b) $25.00 per unit for
    the Municipal Securities Trust Discount Series, subject to the Sponsor's
    right to change the dealers' concession from time to time.  Such Units may
    then be distributed to the public by the dealers at the Public Offering
    Price then in effect.  In addition, for transactions of 1,000,000 Units or
    more, the Sponsor intends to negotiate the applicable sales charge and
    such charge will be disclosed to any such purchaser.  The Sponsor reserves
    the right to reject, in whole or in part, any order for the purchase of
    Units.  The Sponsor reserves the right to change the discounts from time
    to time.

    Sponsor's Profits

              The Sponsor will receive a gross commission on all Units sold in
    the secondary market equal to the applicable sales charge on each
    transaction.  (See "Offering Price".)  In addition, in maintaining a
    market for the Units (see "Sponsor Repurchase"), the Sponsor will realize
    profits or sustain losses in the amount of any difference between the
    price at which it buys Units and the price at which it resells such Units.


              Participants in the "Total Reinvestment Plan" can designate a
    broker as the recipient of a dealer concession.  See "Total Reinvestment
    Plan".

    Comparison of Public Offering Price, Sponsor's Repurchase Price
      and Redemption Price

              The secondary market Public Offering Price of Units will be
    determined on the basis of the current bid prices of the Bonds in the
    Trust, plus the applicable sales charge.  The value at which Units may be
    resold in the secondary market or redeemed will be determined on the basis
    of the current bid prices of such Bonds without any sales charge.  On the
    Evaluation Date, the Public Offering Price per Unit (based on the bid
    prices of the Bonds in the Trust plus the sales charge) exceeded the
    Repurchase and Redemption Price per Unit (based upon the bid prices of the
    Bonds in the Trust without the sales charge) by the amount shown under
    "Summary of Essential Information" in Part A of this Prospectus.  For this
    reason, among others (including fluctuations in the market prices of Bonds
    and the fact that the Public Offering Price includes the applicable sales
    charge), the amount realized by a Certificateholder upon any redemption or
    repurchase of Units may be less than the price paid for such Units. 


              ESTIMATED LONG TERM RETURN AND ESTIMATED CURRENT RETURN
       
              The rate of return on an investment in Units of each Trust is
    measured in terms of "Estimated Current Return" and "Estimated Long Term
    Return".
        
              Estimated Long Term Return is calculated by:  (1) computing the
    yield to maturity or to an earlier call date (whichever results in a lower
    yield) for each Bond in a Trust's portfolio in accordance with accepted
    bond practices, which practices take into account not only the interest
    payable on the Bond but also the amortization of premiums or accretion of
    discounts, if any; (2) calculating the average of the yields for the Bonds
    in each Trust's portfolio by weighing each Bond's yield by the market
    value of the Bond and by the amount of time remaining to the date to which
    the Bond is priced (thus creating an average yield for the portfolio of
    each Trust); and (3) reducing the average yield for the portfolio of each
    Trust in order to reflect estimated fees and expenses of that Trust and
    the maximum sales charge paid by Certificateholders.  The resulting
    Estimated Long Term Return represents a measure of the return to
    Certificateholders earned over the estimated life of each Trust.  The
    Estimated Long Term Return as of the day prior to the Evaluation Date is
    stated for each Trust under "Summary of Essential Information" in Part A.

              Estimated Current Return is computed by dividing the Estimated
    Net Annual Interest Income per Unit by the Public Offering Price per Unit. 
    In contrast to the Estimated Long Term Return, the Estimated Current
    Return does not take into account the amortization of premium or accretion
    of discount, if any, on the Bonds in the portfolios of each Trust. 
    Moreover, because interest rates on Bonds purchased at a premium are
    generally higher than current interest rates on newly issued bonds of a
    similar type with comparable rating, the Estimated Current Return per Unit
    may be affected adversely if such Bonds are redeemed prior to their
    maturity.  On the day prior to the Evaluation Date, the Estimated Net
    Annual Interest Income per Unit divided by the Public Offering Price
    resulted in the Estimated Current Return stated for each Trust under
    "Summary of Essential Information" in Part A.

              The Estimated Net Annual Interest Income per Unit of each Trust
    will vary with changes in the fees and expenses of the Trustee and the
    Evaluator applicable to each Trust and with the redemption, maturity, sale
    or other disposition of the Bonds in each Trust.  The Public Offering
    Price will vary with changes in the bid prices of the Bonds.  Therefore,
    there is no assurance that the present Estimated Current Return or
    Estimated Long Term Return will be realized in the future.

              A schedule of cash flow projections is available from the
    Sponsors upon request.


                           RIGHTS OF CERTIFICATEHOLDERS

    Certificates

              Ownership of Units of the Trust is evidenced by registered
    Certificates executed by the Trustee and the Sponsor.  Certificates may be
    issued in denominations of one or more Units and will bear appropriate
    notations on their faces indicating which plan of distribution has been
    selected by the Certificateholder.  Certificates are transferable by
    presentation and surrender to the Trustee properly endorsed and/or
    accompanied by a written instrument or instruments of transfer.  Although
    no such charge is presently made or contemplated, the Trustee may require
    a Certificateholder to pay $2.00 for each Certificate reissued or
    transferred and any governmental charge that may be imposed in connection
    with each such transfer or interchange.  Mutilated, destroyed, stolen or
    lost Certificates will be replaced upon delivery of satisfactory indemnity
    and payment of expenses incurred. 

    Interest and Principal Distributions

              Interest received by the Trust is credited by the Trustee to an
    Interest Account and a deduction is made to reimburse the Trustee without
    interest for any amounts previously advanced.  Proceeds representing
    principal received from the maturity, redemption, sale or other
    disposition of the Bonds are credited to a Principal Account.

              Distributions to each Certificateholder from the Interest
    Account are computed as of the close of business on each Record Date for
    the following Payment Date and consist of an amount substantially equal to
    one-twelfth, one-half or all of each Certificateholder's pro rata share of
    the Estimated Net Annual Interest Income in the Interest Account,
    depending upon the applicable plan of distribution.  Distributions from
    the Principal Account will be computed as of each semi-annual Record Date,
    and will be made to the Certificateholders on or shortly after the next
    semi-annual Payment Date.  Proceeds representing principal received from
    the disposition of any of the Bonds between a Record Date and a Payment
    Date which are not used for redemptions of Units will be held in the
    Principal Account and not distributed until the second succeeding semi-
    annual Payment Date.  No distributions will be made to Certificateholders
    electing to participate in the Total Reinvestment Plan, except as provided
    thereunder.  Persons who purchase Units between a Record Date and a
    Payment Date will receive their first distribution on the second Payment
    Date after such purchase.

              Because interest payments are not received by the Trust at a
    constant rate throughout the year, interest distributions may be more or
    less than the amount credited to the Interest Account as of a given Record
    Date.  For the purpose of minimizing fluctuations in the distributions
    from the Interest Account, the Trustee will advance sufficient funds,
    without interest, as may be necessary to provide interest distributions of
    approximately equal amounts.  All funds in respect of the Bonds received
    and held by the Trustee prior to distribution to Certificateholders may be
    of benefit to the Trustee and do not bear interest to Certificateholders. 

              As of the first day of each month, the Trustee will deduct from
    the Interest Account, and, to the extent funds are not sufficient therein,
    from the Principal Account, amounts necessary to pay the expenses of the
    Trust (as determined on the basis set forth under "Trust Expenses and
    Charges").  The Trustee also may withdraw from said accounts such amounts,
    if any, as it deems necessary to establish a reserve for any applicable
    taxes or other governmental charges that may be payable out of the Trust. 
    Amounts so withdrawn shall not be considered a part of the Trust's assets
    until such time as the Trustee shall return all or any part of such
    amounts to the appropriate accounts.  In addition, the Trustee may
    withdraw from the Interest and Principal Accounts such amounts as may be
    necessary to cover redemptions of Units by the Trustee. 

              The estimated monthly, semi-annual or annual interest
    distribution per Unit will be in the amount shown under Summary of
    Essential Information and will change and may be reduced as bonds mature
    or are redeemed, exchanged or sold, or as expenses of the Trust fluctuate. 
    No distribution need be made from the Principal Account until the balance
    therein is an amount sufficient to distribute $1.00 per Unit. 

    Distribution Elections

              Interest is distributed monthly, semi-annually or annually,
    depending upon the distribution plan applicable to the Unit purchased. 
    Record Dates are the first day of each month for monthly distributions,
    the first day of each June and December for semi-annual distributions and
    the first day of each December for annual distributions.  Payment Dates
    will be the fifteenth day of each month following the respective Record
    Dates.  Certificateholders purchasing Units in the secondary market will
    initially receive distributions in accordance with the election of the
    prior owner.  Every October each Certificateholder may change his
    distribution election by notifying the Trustee in writing of such change
    between October 1 and November 1 of each year.  (Certificateholders
    deciding to change their election should contact the Trustee by calling
    the number listed on the back cover hereof for information regarding the
    procedures that must be followed in connection with this written
    notification of the change of election.)  Failure to notify the Trustee on
    or before November 1 of each year will result in a continuation of the
    plan for the following 12 months.

    Records

              The Trustee shall furnish Certificateholders in connection with
    each distribution a statement of the amount of interest, if any, and the
    amount of other receipts, if any, which are being distributed, expressed
    in each case as a dollar amount per Unit.  Within a reasonable time after
    the end of each calendar year (normally prior to January 31 of the
    succeeding year), the Trustee will furnish to each person who at any time
    during the calendar year was a Certificateholder of record, a statement
    showing (a) as to the Interest Account:  interest received (including any
    earned original issue discount and amounts representing interest received
    upon any disposition of Bonds), amounts paid for redemptions of Units, if
    any, deductions for applicable taxes and fees and expenses of the Trust,
    and the balance remaining after such distributions and deductions,
    expressed both as a total dollar amount and as a dollar amount
    representing the pro rata share of each Unit outstanding on the last
    business day of such calendar year; (b) as to the Principal Account:  the
    dates of disposition of any Bonds and the net proceeds received therefrom
    (including any unearned original issue discount but excluding any portion
    representing accrued interest), deductions for payments of applicable
    taxes and fees and expenses of the Trust, amounts paid for redemptions of
    Units, if any, and the balance remaining after such distributions and
    deductions, expressed both as a total dollar amount and as a dollar amount
    representing the pro rata share of each Unit outstanding on the last
    business day of such calendar year; (c) a list of the Bonds held and the
    number of Units outstanding on the last business day of such calendar
    year; (d) the Redemption Price per Unit based upon the last computation
    thereof made during such calendar year; and (e) amounts actually
    distributed to Certificateholders during such calendar year from the
    Interest and Principal Accounts, separately stated, expressed both as
    total dollar amounts and as dollar amounts representing the pro rata share
    of each Unit outstanding on the last business day of such calendar year. 

              The Trustee shall keep available for inspection by Certificate-
    holders at all reasonable times during usual business hours, books of
    record and account of its transactions as Trustee, including records of
    the names and addresses of Certificateholders, Certificates issued or
    held, a current list of Bonds in the portfolio and a copy of the Trust
    Agreement. 


                                    TAX STATUS


              All Bonds acquired by the Trust were accompanied by copies of
    opinions of bond counsel to the issuing governmental authorities given at
    the time of original delivery of the Bonds to the effect that the interest
    thereon is exempt from regular federal income tax, but such interest may
    be subject to the federal corporate alternative minimum tax and to state
    and local taxes.  Neither the Sponsor nor the Trustee nor their respective
    counsel have made any review of the proceedings relating to the issuance
    of the Bonds or the bases for such opinions, and express no opinion as to
    these matters, and neither the Trustee nor the Sponsor nor their
    respective counsel have made an independent examination or verification
    that the federal income tax status of the Bonds has not been altered since
    the time of the original delivery of those opinions. 

              The Revenue Reconciliation Act of 1993 ("P.L. 103-66") was
    recently enacted.  P.L. 103-66 increases maximum marginal income tax rates
    for individuals and corporations (generally effective for taxable years
    beginning after December 31, 1992), extends the authority to issue certain
    categories of tax-exempt bonds (qualified small issue bonds and qualified
    mortgage bonds), limits the availability of capital gain treatment for
    tax-exempt bonds purchased at a market discount, increases the amount of
    Social Security benefits subject to tax (effective for taxable years
    beginning after December 31, 1993) and makes a variety of other changes. 
    Prospective investors are urged to consult their own tax advisors as to
    the effect of P.L. 103-66 on an investment in Units.

              In rendering the opinion set forth below, counsel has examined
    the Agreement, the final form of Prospectus dated the date hereof (the
    "Prospectus") and the documents referred to therein, among others, and has
    relied on the validity of said documents and the accuracy and completeness
    of the facts set forth therein. 

              In the opinion of Battle Fowler, counsel for the Sponsor, under
    existing law: 

         The Trust is not an association taxable as a corporation for federal
    income tax purposes under the Internal Revenue Code of 1986 (the "Code"),
    and income received by the Trust that consists of interest excludable from
    federal gross income under the Code will be excludable from the federal
    gross income of the Certificateholders of the Trust. 

         Each Certificateholder will be considered the owner of a pro rata
    portion of the Trust under Section 676(a) of the Code.  Thus, each Cer-
    tificateholder will be considered to have received his pro rata share of
    Bond interest when it is received by the Trust, and the net income
    distributable to Certificateholders that is exempt from federal income tax
    when received by the Trust will constitute tax-exempt income when received
    by the Certificateholders. 

         Gain (other than any earned original issue discount) realized on a
    sale or redemption of the Bonds or on a sale of a Unit is, however,
    includable in gross income for federal income tax purposes, generally as
    capital gain, although gain on the disposition of a Bond or a Unit
    purchased at a market discount generally will be treated as ordinary
    income, rather than capital gain, to the extent of accrued market
    discount.  (It should be noted in this connection that such gain does not
    include any amounts received in respect of accrued interest.)  Such gain
    may be long or short-term depending on the facts and circumstances. 
    Capital losses are deductible to the extent of capital gains; in addition,
    up to $3,000 of capital losses of non-corporate Certificateholders may be
    deducted against ordinary income.  Capital assets acquired on or after
    January 1, 1988 must be held for more than one year to qualify for long-
    term capital gain treatment.  Individuals who realize long-term capital
    gains will be subject to a maximum tax rate of 28% on such gain. 

         Each Certificateholder will realize taxable gain or loss when the
    Trust disposes of a Bond (whether by sale, exchange, redemption or payment
    at maturity), as if the Certificateholder had directly disposed of his pro
    rata share of such Bond.  The gain or loss is measured by the difference
    between (i) the tax cost of such pro rata share and (ii) the amount
    received therefor.  For this purpose, a Certificateholder's tax cost for
    each Bond is determined by allocating the total tax cost of each Unit
    among all of the Bonds held in the Trust (in accordance with the portion
    of the Trust comprised by each Bond).  In order to determine the amount of
    taxable gain or loss, the Certificateholder's amount received is similarly
    allocated at that time.  The Certificateholder may exclude from the amount
    received any amounts that represent accrued interest or the earned portion
    of any original issue discount but may not exclude amounts attributable to
    market discount.  Thus, when a Bond is disposed of by the Trust at a gain,
    taxable gain will equal the difference between (i) the amount received and
    (ii) the amount paid plus any original issue discount (limited, in the
    case of Bonds issued after June 8, 1980, to the portion earned from the
    date of acquisition to the date of disposition).  Gain on the disposition
    of a Bond purchased at a market discount generally will be treated as
    ordinary income, rather than capital gain, to the extent of accrued market
    discount.  No deduction is allowed for the amortization of bond premium on
    tax-exempt bonds such as the Bonds in computing regular federal income
    tax.

         Discount generally accrues based on the principle of compounding of
    accrued interest, not on a straight-line or ratable method, with the
    result that the amount of earned original issue discount is less in the
    earlier years and more in the later years of a bond term.  The tax basis
    of a discount bond is increased by the amount of accrued, tax-exempt
    original issue discount thus determined.  This method of calculation will
    produce higher capital gains (or lower losses) to a Certificateholder, as
    compared to the results produced by the straight-line method of accounting
    for original issue discount, upon an early disposition of a Bond by the
    Trust or of a Unit by a Certificateholder.

         A Certificateholder may also realize taxable income or loss when a
    Unit is sold or redeemed.  The amount received is allocated among all the
    Bonds in the Trust in the same manner as when the Trust disposes of Bonds
    and the Certificateholder may exclude accrued interest and the earned
    portion of any original issue discount (but not amounts attributable to
    market discount).  The return of a Certificateholder's tax cost is
    otherwise a tax-free return of capital. 
       
         A portion of social security benefits is includable in gross income
    for taxpayers whose "modified adjusted gross income" combined with a
    portion of their benefits exceeds a base amount.  The base amount is
    $25,000 for an individual, $32,000 for a married couple filing a joint
    return and zero for married persons filing separate returns.  Interest on
    tax-exempt bonds is to be added to adjusted gross income for purposes of
    computing the amount of benefits that are includable in gross income and
    determining whether an individual's income exceeds the base amount above
    which a portion of the benefits would be subject to tax.  For taxable
    years beginning after December 31, 1993, the amount of Social Security
    benefits subject to tax has been increased.
        
         Corporate Certificateholders are required to include in federal
    corporate alternative minimum taxable income 75 percent of the amount by
    which the adjusted current earnings (which will include tax-exempt
    interest) of the corporation exceeds alternative minimum taxable income
    (determined without this item).  Further, interest on the Bonds is
    includable in a 0.12% additional corporate minimum tax imposed by the
    Superfund Amendments and Reauthorization Act of 1986 for taxable years
    beginning before January 1, 1996.  In addition, in certain cases, Subchap-
    ter S corporations with accumulated earnings and profits from Subchapter C
    years will be subject to a minimum tax on excess "passive investment
    income" which includes tax-exempt interest.

         The Trust is not subject to the New York State Franchise Tax on
    Business Corporations or the New York City General Corporation Tax.  For a
    Certificateholder who is a New York resident, however, a pro rata portion
    of all or part of the income of the Trust will be treated as the income of
    the Certificateholder under the income tax laws of the State and City of
    New York.  Similar treatment may apply in other states. 

              The exemption of interest on municipal obligations for federal
    income tax purposes does not necessarily result in exemption under the
    income tax laws of any state or political subdivision.  In general,
    municipal bond interest exempt from federal income tax is taxable income
    to residents of the State or City of New York under the tax laws of those
    jurisdictions unless the bonds are issued by the State of New York or one
    of its political subdivisions or by the Commonwealth of Puerto Rico or one
    of its political subdivisions.  For corporations doing business in New
    York State, interest earned on state and municipal obligations that are
    exempt from federal income tax, including obligations of New York State,
    its political subdivisions and instrumentalities, must be included in
    calculating New York State and New York City entire net income for
    purposes of computing New York State and New York City franchise (income)
    tax.  The laws of the several states and local taxing authorities vary
    with respect to the taxation of such obligations and each Certificate-
    holder is advised to consult his own tax advisor as to the tax
    consequences of his Certificates under state and local tax laws. 

              In the case of Bonds that are industrial revenue bonds ("IRBs")
    or certain types of private activity bonds, the opinions of bond counsel
    to the respective issuing authorities indicate that interest on such Bonds
    is exempt from regular federal income tax.  However, interest on such
    Bonds will not be exempt from regular federal income tax for any period
    during which such Bonds are held by a "substantial user" of the facilities
    financed by the proceeds of such Bonds or by a "related person" thereof
    within the meaning of the Code.  Therefore, interest on any such Bonds
    allocable to a Certificateholder who is such a "substantial user" or
    "related person" thereof will not be tax-exempt.  Furthermore, in the case
    of Bonds that qualify for the "small issue" exemption, the "small issue"
    exemption will not be available or will be lost if, at any time during the
    three-year period beginning on the later of the date the facilities are
    placed in service or the date of issue, all outstanding tax-exempt IRBs,
    together with a proportionate share of any present issue, of an owner or
    principal user (or related person) of the facilities exceeds $40,000,000. 
    In the case of IRBs issued under the $10,000,000 "small issue" exemption,
    interest on such IRBs will become taxable if the face amount of the IRBs
    plus certain capital expenditures exceeds $10,000,000. 

              In addition, a Bond can lose its tax-exempt status as a result
    of other subsequent but unforeseeable events such as prohibited
    "arbitrage" activities by the issuer of the Bond or the failure of the
    Bond to continue to satisfy the conditions required for the exemption of
    interest thereon from regular federal income tax.  No investigation has
    been made as to the current or future owners or users of the facilities
    financed by the Bonds, the amount of such persons' outstanding tax-exempt
    IRBs, or the facilities themselves, and no assurance can be given that
    future events will not affect the tax-exempt status of the Bonds. 
    Investors should consult their tax advisors for advice with respect to the
    effect of these provisions on their particular tax situation. 

              Interest on indebtedness incurred or continued to purchase or
    carry the Units is not deductible for federal income tax purposes.  In
    addition, under rules used by the Internal Revenue Service for determining
    when borrowed funds are considered used for the purpose of purchasing or
    carrying particular assets, the purchase of Units may be considered to
    have been made with borrowed funds even though the borrowed funds are not
    directly traceable to the purchase of Units.  Also, in the case of certain
    financial institutions that acquire Units, in general no deduction is
    allowed for interest expense allocable to such Units. 

              From time to time proposals have been introduced before Congress
    to restrict or eliminate the federal income tax exemption for interest on
    debt obligations similar to the Bonds in the Trust, and it can be expected
    that similar proposals may be introduced in the future.

              In a 1988 decision (South Carolina v. Baker), the U.S. Supreme
    Court held that the federal government may constitutionally require states
    to register bonds they issue and subject the interest on such bonds to
    federal income tax if not registered, and that there is no constitutional
    prohibition against the federal government's taxing the interest earned on
    state or other municipal bonds.  The Supreme Court decision affirms the
    authority of the federal government to regulate and control bonds such as
    the Bonds in the Trust and to tax interest on such bonds in the future. 
    The decision does not, however, affect the current exemption from taxation
    of the interest earned on the Bonds in the Trust in accordance with Sec-
    tion 103 of the Code. 

              The opinions of bond counsel or special tax counsel to the
    issuing governmental authorities to the effect that interest on the Bonds
    is exempt from regular federal income tax may be limited to law existing
    at the time the Bonds were issued, and may not apply to the extent that
    future changes in law, regulations or interpretations affect such Bonds. 
    Investors are advised to consult their own tax advisors for advice with
    respect to the effect of any legislative changes.


                                     LIQUIDITY

    Sponsor Repurchase

              The Sponsor, although not obligated to do so, intends to
    maintain a secondary market for the Units.  The Sponsor's secondary market
    repurchase price will be based on the aggregate bid price of the Bonds in
    the Trust portfolio, determined by the Evaluator on a daily basis, and
    will be the same as the redemption price.  See "Trustee Redemption".  Cer-
    tificateholders who wish to dispose of their Units should inquire of the
    Sponsor prior to making a tender for redemption.  The Sponsor may
    discontinue repurchases of Units if the supply of Units exceeds demand, or
    for other business reasons.  The date of repurchase is deemed to be the
    date on which Certificates representing Units are physically received in
    proper form by the Sponsor, Bear, Stearns & Co. Inc., 245 Park Avenue, New
    York, N.Y. 10167.  Units received after 4:00 P.M., New York Time, will be
    deemed to have been repurchased on the next business day.  In the event a
    market is not maintained for the Units, a Certificateholder may be able to
    dispose of Units only by tendering them to the Trustee for redemption. 

              Prospectuses relating to certain other bond trusts indicate an
    intention by the respective Sponsors, subject to change, to repurchase
    units on the basis of a price higher than the bid prices of the bonds in
    the trust.  Consequently, depending on the prices actually paid, the
    secondary market repurchase price of other trusts may be computed on a
    somewhat more favorable basis than the repurchase price offered by the
    Sponsor for units of this Trust, although in all bond trusts, the purchase
    price of a unit depends primarily on the value of the bonds in the trust
    portfolio. 

              Units purchased by the Sponsor in the secondary market may be
    reoffered for sale by the Sponsor at a price based on the aggregate bid
    price of the Bonds in the Trust plus the applicable sales charge (see
    "Public Offering Price" in Part A) plus net accrued interest.  Any Units
    that are purchased by the Sponsor in the secondary market also may be
    redeemed by the Sponsor if it determines such redemption to be in its best
    interest. 

              The Sponsor may, under certain circumstances, as a service to
    Certificateholders, elect to purchase any Units tendered to the Trustee
    for redemption.  (See "Trustee Redemption".)  For example, if in order to
    meet redemptions of Units the Trustee must dispose of Bonds, and if such
    disposition cannot be made by the redemption date (seven calendar days
    after tender), the Sponsor may elect to purchase such Units.  Such
    purchase shall be made by payment to the Certificateholder not later than
    the close of business on the redemption date of an amount equal to the
    Redemption Price on the date of tender. 

    Trustee Redemption

              Units also may be tendered to the Trustee for redemption at its
    corporate trust office as set forth in Part A of this Prospectus, upon
    proper delivery of Certificates representing such Units and payment of any
    relevant tax.  At the present time there are no specific taxes related to
    the redemption of Units.  No redemption fee will be charged by the Sponsor
    or the Trustee.  Units redeemed by the Trustee will be cancelled. 

              Certificates representing Units to be redeemed must be delivered
    to the Trustee and must be properly endorsed or accompanied by proper
    instruments of transfer with signature guaranteed (or by providing
    satisfactory indemnity, as in the case of lost, stolen or mutilated
    Certificates).  Thus, redemptions of Units cannot be effected until
    Certificates representing such Units have been delivered by the person
    seeking redemption.  (See "Certificates".)  Certificateholders must sign
    exactly as their names appear on the faces of their Certificates.  In
    certain instances the Trustee may require additional documents such as,
    but not limited to, trust instruments, certificates of death, appointments
    as executor or administrator or certificates of corporate authority. 

              Within seven calendar days following a tender for redemption,
    or, if such seventh day is not a business day, on the first business day
    prior thereto, the Certificateholder will be entitled to receive in cash
    an amount for each Unit tendered equal to the Redemption Price per Unit
    computed as of the Evaluation Time on the date of tender.  The "date of
    tender" is deemed to be the date on which Units are received by the
    Trustee, except that with respect to Units received after the close of
    trading on the New York Stock Exchange, the date of tender is the next day
    on which such Exchange is open for trading, and such Units will be deemed
    to have been tendered to the Trustee on such day for redemption at the
    Redemption Price computed on that day. 

              Accrued interest paid on redemption shall be withdrawn from the
    Interest Account, or, if the balance therein is insufficient, from the
    Principal Account.  All other amounts paid on redemption shall be
    withdrawn from the Principal Account.  The Trustee is empowered to sell
    Bonds in order to make funds available for redemptions.  Such sales, if
    required, could result in a sale of Bonds by the Trustee at a loss.  To
    the extent Bonds are sold, the size and diversity of the Trust will be
    reduced. 

              The Redemption Price per Unit is the pro rata share of each Unit
    in the Trust determined by the Trustee on the basis of (i) the cash on
    hand in the Trust or moneys in the process of being collected, (ii) the
    value of the Bonds in the Trust based on the bid prices of such Bonds and
    (iii) interest accrued thereon, less (a) amounts representing taxes or
    other governmental charges payable out of the Trust, (b) the accrued
    expenses of the Trust and (c) cash allocated for the distribution to Cer-
    tificateholders of record as of the business day prior to the evaluation
    being made.  The Evaluator may determine the value of the Bonds in the
    Trust for purposes of redemption (1) on the basis of current bid prices of
    the Bonds obtained from dealers or brokers who customarily deal in bonds
    comparable to those held by the Trust, (2) on the basis of bid prices for
    bonds comparable to any Bonds for which bid prices are not available,
    (3) by determining the value of the Bonds by appraisal, or (4) by any
    combination of the above. 

              The Trustee is irrevocably authorized in its discretion, if the
    Sponsor does not elect to purchase a Unit tendered for redemption or if
    the Sponsor tenders a Unit for redemption, in lieu of redeeming such Unit,
    to sell such Unit in the over-the-counter market for the account of the
    tendering Certificateholder at prices which will return to the Certifi-
    cateholder an amount in cash, net after deducting brokerage commissions,
    transfer taxes and other charges, equal to or in excess of the Redemption
    Price for such Unit.  The Trustee will pay the net proceeds of any such
    sale to the Certificateholder on the day he would otherwise be entitled to
    receive payment of the Redemption Price. 

              The Trustee reserves the right to suspend the right of
    redemption and to postpone the date of payment of the Redemption Price per
    Unit for any period during which the New York Stock Exchange is closed,
    other than customary weekend and holiday closings, or trading on that
    Exchange is restricted or during which (as determined by the Securities
    and Exchange Commission) an emergency exists as a result of which disposal
    or evaluation of the Bonds is not reasonably practicable, or for such
    other periods as the Securities and Exchange Commission may by order
    permit.  The Trustee and the Sponsor are not liable to any person or in
    any way for any loss or damage which may result from any such suspension
    or postponement. 

              A Certificateholder who wishes to dispose of his Units should
    inquire of his bank or broker in order to determine if there is a current
    secondary market price in excess of the Redemption Price. 


                              TOTAL REINVESTMENT PLAN


              Under the Total Reinvestment Plan (the "Plan"), semi-annual and
    annual Certificateholders (except Texas residents*) may elect to have all
    regular interest and principal distributions, if any, with respect to
    their Units reinvested either in units of various series of "Municipal
    Securities Trust" which will have been created shortly before each semi-
    annual or annual Payment Date (a "Primary Series") or, if units of a
    Primary Series are not available, in units of a previously formed series
    of the Trust which have been repurchased by the Sponsor in the secondary
    market, including the units being offered hereby (a "Secondary Series")
    (Primary Series and Secondary Series are hereafter collectively referred
    to as "Available Series").  June 15 and December 15 of each year, in the
    case of semi-annual Certificateholders, and December 15 of each year in
    the case of annual Certificateholders, are the "Plan Reinvestment Dates". 

    *    Texas residents may elect to participate in the "Total Reinvestment
         Plan for Texas Residents" hereinafter described.

              Under the Plan (subject to compliance with applicable blue sky
    laws), fractional units ("Plan Units") will be purchased from the Sponsor
    at a price equal to the aggregate offering price per Unit of the bonds in
    the Available Series portfolio during the initial offering of the
    Available Series or at the aggregate bid price per Unit of the Available
    Series if its initial offering has been completed, plus a sales charge
    equal to 3.627% of the net amount invested in such bonds or 3-1/2% of the
    Reinvestment Price per Plan Unit, plus accrued interest, divided by one
    hundred (the "Reinvestment Price per Plan Unit").  All Plan Units will be
    sold at this reduced sales charge of 3-1/2% in comparison to the regular
    sales charge levied on primary and secondary market sales of units in any
    series of "Municipal Securities Trust".  Participants in the Plan will
    have the opportunity to designate, in the Authorization Form for the Plan,
    the name of a broker to whom the Sponsor will allocate a sales commission
    of 1-1/2% per Plan Unit, payable out of the 3-1/2% sales charge.  If no
    such designation is made, the Sponsor will retain the sales commission. 

              Under the Plan, the entire amount of a participant's income and
    principal distributions will be reinvested.  For example, a Certificate-
    holder who is entitled to receive $130.50 interest income from the Trust
    would acquire 13.05 Plan Units assuming that the Reinvestment Price per
    Plan Unit, plus accrued interest, was $10. 

              A semi-annual or annual Certificateholder may join the Plan at
    the time he invests in Units of the Trust or any time thereafter by
    delivering to the Trustee an Authorization Form which is available from
    brokers or the Sponsor.  In order that distributions may be reinvested on
    a particular Plan Reinvestment Date, the Authorization Form must be
    received by the Trustee not later than the 15th day of the month preceding
    such Date.  Authorization Forms not received in time for a particular Plan
    Reinvestment Date will be valid only for the second succeeding Plan
    Reinvestment Date.  Similarly, a participant may withdraw from the Plan at
    any time by notifying the Trustee (see below).  However, if written
    confirmation of withdrawal is not given to the Trustee prior to a
    particular distribution, the participant will be deemed to have elected to
    participate in the Plan with respect to that particular distribution and
    his withdrawal would become effective for the next succeeding
    distribution. 

              Once delivered to the Trustee, an Authorization Form will
    constitute a valid election to participate in the Plan with respect to
    Units purchased of the Trust (and with respect to Plan Units purchased
    with the distributions from the Units purchased of the Trust) for each
    subsequent distribution as long as the Certificateholder continues to
    participate in the Plan.  However, if an Available Series should
    materially differ from the Trust in the opinion of the Sponsor, the
    authorization will be voided and participants will be provided with both a
    notice of the material change and a new Authorization Form which would
    have to be returned to the Trustee before the Certificateholder would
    again be able to participate in the Plan.  The Sponsor anticipates that a
    material difference which would result in a voided authorization would
    include such facts as the inclusion of bonds in the Available Series
    portfolio the interest income on which was not exempt from federal income
    tax, or the inclusion of bonds which were not rated "A" or better by
    either Standard & Poor's Corporation or Moody's Investors Service, Inc. on
    the date such bonds were initially deposited in the Available Series
    portfolio. 

              The Sponsor has the option at any time to use units of a
    Secondary Series to fulfill the requirements of the Plan in the event
    units of a Primary Series are not available either because a Primary
    Series is not then in existence or because the registration statement
    relating thereto is not declared effective in sufficient time to
    distribute final prospectuses to Plan participants (see below).  It should
    be noted that there is no assurance that the quality and diversification
    of the Bonds in any Available Series or the estimated current return
    thereon will be similar to that of this Trust. 

              It is the Sponsor's intention that Plan Units will be offered on
    or about each semi-annual and annual Record Date for determining who is
    eligible to receive distributions on the related Payment Date.  Such
    Record Dates are June 1 and December 1 of each year for semi-annual Cer-
    tificateholders, and December 1 of each year for annual Certificate-
    holders.  On each Record Date, the Sponsor will send a current Prospectus
    relating to the Available Series being offered for the next Plan
    Reinvestment Date along with a letter which reminds each participant that
    Plan Units are being purchased for him as part of the Plan unless he
    notifies the Trustee in writing by that Plan Reinvestment Date that he no
    longer wishes to participate in the Plan.  In the event a Primary Series
    has not been declared effective in sufficient time to distribute a final
    Prospectus relating thereto and there is no Secondary Series as to which a
    registration statement is currently effective, it is the Sponsor's
    intention to suspend the Plan and distribute to each participant his
    regular semi-annual or annual distribution.  If the Plan is so suspended,
    it will resume in effect with the next Plan Reinvestment Date assuming
    units of an Available Series are then being offered. 

              To aid a participant who might desire to withdraw either from
    the Plan or from a particular distribution, the Trustee has established a
    toll free number (see below) for participants to use for notification of
    withdrawal, which must be confirmed in writing prior to the Plan
    Reinvestment Date.  Should the Trustee be so notified, it will make the
    appropriate cash disbursement.  Unless the withdrawing participant
    specifically indicates in his written confirmation that (a) he wishes to
    withdraw from the Plan for that particular distribution only, or (b) he
    wishes to withdraw from the Plan for less than all units of each series of
    "Municipal Securities Trust" which he might then own (and specifically
    identifies which series are to continue in the Plan), he will be deemed to
    have withdrawn completely from the Plan in all respects.  Once a
    participant withdraws completely, he will only be allowed to again
    participate in the Plan by submitting a new Authorization Form.  A sale or
    redemption of a portion of a participant's Plan Units will not constitute
    a withdrawal from the Plan with respect to the remaining Plan Units owned
    by such participant. 

              Unless a Certificateholder notifies the Trustee in writing to
    the contrary, each semi-annual and annual Certificateholder who has
    acquired Plan Units will be deemed to have elected the semi-annual and
    annual plan of distribution, respectively, and to participate in the Plan
    with respect to distributions made in connection with such Plan Units. 
    (Should the Available Series from which Plan Units are purchased for the
    account of an annual Certificateholder fail to have an annual distribution
    plan, such Certificateholder will be deemed to have elected the semi-
    annual plan of distribution, and to participate in the Plan with respect
    to distributions made in connection with such Plan Units.)  A participant
    who subsequently desires to have distributions made with respect to Plan
    Units delivered to him in cash may withdraw from the Plan with respect to
    such Plan Units and remain in the Plan with respect to units acquired
    other than through the Plan.  Assuming a participant has his distributions
    made with respect to Plan Units reinvested, all such distributions will be
    accumulated with distributions generated from the Units of the Trust used
    to purchase such additional Plan Units.  However, distributions related to
    units in other series of "Municipal Securities Trust" will not be
    accumulated with the foregoing distributions for Plan purchases.  Thus, if
    a person owns units in more than one series of "Municipal Securities
    Trust" (which are not the result of purchases under the Plan),
    distributions with respect thereto will not be aggregated for purchases
    under the Plan. 

              Although not obligated to do so, the Sponsor has maintained and
    intends to continue to maintain a market for the Plan Units and
    continuously to offer to purchase Plan Units at prices based upon the
    aggregate bid price of the bonds in the Available Series portfolio, during
    the initial offering of the Available Series, or at the aggregate bid
    price of the Bonds in the Available Series if its initial offering has
    been completed.  The Sponsor may discontinue such purchases at any time. 
    The aggregate bid price of the underlying bonds may be expected to be less
    than the aggregate offering prices.  In the event that a market is not
    maintained for Plan Units, a participant desiring to dispose of his Plan
    Units may be able to do so only by tendering such Plan Units to the
    Trustee for redemption at the Redemption Price of full units in the
    Available Series corresponding to such Plan Units, which is based upon the
    aggregate bid price of the underlying bonds as described in the "Municipal
    Securities Trust" Prospectus for the Available Series in question.  If a
    participant wishes to dispose of his Plan Units, he should inquire of the
    Sponsor as to current market prices prior to making a tender for
    redemption to the Trustee. 

              Any participant may tender his Plan Units for redemption to the
    Available Series trustee.  Participants may redeem Plan Units by making a
    written request to the Trustee, at the address listed in the "Summary of
    Essential Information" in Part A on the Redemption Form supplied by the
    Trustee.  The redemption price per Plan Unit will be determined as set
    forth in the "Municipal Securities Trust" Prospectus of the Available
    Series from which such Plan Unit was purchased following receipt of the
    request and adjusted to reflect the fact that it relates to a Plan Unit. 
    There is no charge for the redemption of Plan Units. 

              The Trust Agreement requires that the Trustee notify the Sponsor
    of any tender of Plan Units for redemption.  So long as the Sponsor is
    maintaining a bid in the secondary market, the Sponsor will purchase any
    Plan Units tendered to the Trustee for redemption by making payment
    therefor to the Certificateholder in an amount not less than the
    redemption price for such Plan Units on the date of tender not later than
    the day on which such Plan Units would otherwise have been redeemed by the
    Trustee. 

              Participants in the Plan will not receive individual
    certificates for their Plan Units unless the amount of Plan Units
    accumulated represents the principal amount of bonds originally underlying
    each Unit and, in such case, a written request for certificates is made to
    the Trustee.  All Plan Units will be accounted for by the Trustee on a
    book entry system.  Each time Plan Units are purchased under the Plan, a
    participant will receive a confirmation stating his cost, number of Units
    purchased and estimated current return.  Questions regarding a
    participant's statement should be directed to the Trustee by calling the
    Trustee at the number listed in the "Summary of Essential Information" in
    Part A.

              All expenses relating to the operation of the Plan are borne by
    the Sponsor.  Both the Sponsor and the Trustee reserve the right to
    suspend, modify or terminate the Plan at any time for any reason,
    including the right to suspend the Plan if the Sponsor is unable or
    unwilling to establish a Primary Series or is unable to provide Secondary
    Series units.  All participants will receive notice of any such
    suspension, modification or termination. 

    Total Reinvestment Plan for Texas Residents

              Except as specifically provided under this Section, and unless
    the context otherwise requires, all provisions and definitions contained
    under the heading "Total Reinvestment Plan" shall be applicable to the
    Total Reinvestment Plan for Texas Residents ("Texas Plan"). 

              Semi-annual and annual Certificateholders of the Trust who are
    residents of Texas have the option prior to any semi-annual or annual
    distribution to elect affirmatively to reinvest that distribution,
    including both interest and principal, if any, in an Available Series. 

              A resident of Texas who is a semi-annual Certificateholder may
    join the Texas Plan for any particular semi-annual or annual distribution
    by delivering to the Trustee an Authorization Form For Texas Residents
    ("Texas Authorization Form") specifically mentioning the date of the
    particular semi-annual or annual distribution he wishes to reinvest.  On
    or about each semi-annual or annual Record Date, Texas Authorization Forms
    shall be sent by the Trustee to every Certificateholder who is a resident
    of Texas.  In the event that the Sponsor suspends the Plan or the Texas
    Plan, no Texas Authorization Forms shall be sent.  In order that
    distributions may be reinvested on a particular Plan Reinvestment Date,
    the Texas Authorization Form must be received by the Trustee on or before
    such Date.  Texas Authorization Forms not received in time for the Plan
    Reinvestment Date will be deemed void.  A participant who delivers a Texas
    Authorization Form to the Trustee may thereafter withdraw said
    authorization by notifying the Trustee at its toll free telephone number
    prior to a Plan Reinvestment Date.  Such notification of a withdrawal must
    be confirmed in writing prior to the Plan Reinvestment Date.  Under no
    circumstances shall a Texas Authorization Form be provided or accepted by
    the Trustee which provides for the reinvestment of distributions for more
    than one Plan Reinvestment Date. 

              On or about each semi-annual and annual Record Date, the Sponsor
    will send a current Prospectus relating to the Available Series being
    offered on the next Plan Reinvestment Date along with a letter
    incorporating a Texas Authorization Form which specifies the funds
    available for reinvestment, reminds each participant that no Plan Units
    will be purchased for him unless the Texas Authorization Form is received
    by the Trustee on or before that particular Plan Reinvestment Date, and
    states that the Texas Authorization Form is valid only for that particular
    semi-annual or annual distribution.  If the Available Series should
    materially differ from the Trust, the participant will be provided with a
    notice of the material change and a new Texas Authorization Form which
    would have to be returned to the Trustee before the Certificateholder
    would again be able to participate in the Plan. 

              Each semi-annual and annual Certificateholder who has acquired
    Plan Units will be deemed to have elected the semi-annual and annual plan
    of distribution, respectively, with respect to such Units, but such Cer-
    tificateholder will not be deemed to participate in the Plan for any
    particular distribution unless and until he delivers to the Trustee a
    Texas Authorization Form pertaining to those Plan Units.  (Should the
    Available Series from which Plan Units are purchased for the account of an
    annual Certificateholder fail to have an annual distribution plan, such
    Certificateholder will be deemed to have elected the semi-annual plan of
    distribution, and to participate in the Plan with respect to distributions
    made, in connection with such Plan Units.)


                               TRUST ADMINISTRATION

    Portfolio Supervision

              The Sponsor may direct the Trustee to dispose of Bonds upon
    (i) default in payment of principal or interest on such Bonds,
    (ii) institution of certain legal proceedings with respect to the issuers
    of such Bonds, (iii) default under other documents adversely affecting
    debt service on such Bonds, (iv) default in payment of principal or
    interest on other obligations of the same issuer or guarantor, (v)  with
    respect to revenue Bonds, decline in revenues and income of any facility
    or project below the estimated levels calculated by proper officials
    charged with the construction or operation of such facility or project or
    (vi) decline in price or the occurrence of other market or credit factors
    which in the opinion of the Sponsor would make the retention of such Bonds
    in the Trust detrimental to the interests of the Certificateholders.  If a
    default in the payment of principal or interest on any of the Bonds occurs
    and if the Sponsor fails to instruct the Trustee to sell or hold such
    Bonds, the Trust Agreement provides that the Trustee may sell such Bonds. 

              The Sponsor is authorized by the Trust Agreement to direct the
    Trustee to accept or reject certain plans for the refunding or refinancing
    of any of the Bonds.  Any bonds received in exchange or substitution will
    be held by the Trustee subject to the terms and conditions of the
    Agreement to the same extent as the Bonds originally deposited.  Within
    five days after such deposit, notice of such exchange and deposit shall be
    given by the Trustee to each Certificateholder registered on the books of
    the Trustee, including an identification of the Bonds eliminated and the
    bonds substituted therefor.  Except as stated, the acquisition by the
    Trust of any securities other than the bonds initially deposited is
    prohibited. 

    Trust Agreement, Amendment and Termination

              The Trust Agreement may be amended by the Trustee, the Sponsor
    and the Evaluator without the consent of any of the Certificateholders: 
    (1) to cure any ambiguity or to correct or supplement any provision which
    may be defective or inconsistent; (2) to change any provision thereof as
    may be required by the Securities and Exchange Commission or any successor
    governmental agency; or (3) to make such other provisions in regard to
    matters arising thereunder as shall not adversely affect the interests of
    the Certificateholders. 

              The Trust Agreement may also be amended in any respect, or
    performance of any of the provisions thereof may be waived, with the
    consent of the holders of Certificates evidencing 66-2/3% of the Units
    then outstanding, for the purpose of modifying the rights of Certificate-
    holders; provided that no such amendment or waiver shall reduce any Cer-
    tificateholder's interest in the Trust without his consent or reduce the
    percentage of Units required to consent to any such amendment or waiver
    without the consent of the holders of all Certificates.  The Trust
    Agreement may not be amended, without the consent of the holders of all
    Certificates then outstanding, to increase the number of Units issuable or
    to permit the acquisition of any bonds in addition to or in substitution
    for those initially deposited in the Trust, except in accordance with the
    provisions of the Trust Agreement.  The Trustee shall promptly notify Cer-
    tificateholders, in writing, of the substance of any such amendment. 

              The Trust Agreement provides that the Trust shall terminate upon
    the maturity, redemption or other disposition, as the case may be, of the
    last of the Bonds held in the Trust but in no event is it to continue
    beyond the end of the calendar year preceding the fiftieth anniversary of
    the execution of the Trust Agreement.  If the value of the Trust shall be
    less than the minimum amount set forth under "Summary of Essential
    Information" in Part A, the Trustee may, in its discretion, and shall,
    when so directed by the Sponsor, terminate the Trust.  The Trust may also
    be terminated at any time with the consent of the holders of Certificates
    representing 100% of the Units then outstanding.  In the event of
    termination, written notice thereof will be sent by the Trustee to all
    Certificateholders.  Within a reasonable period after termination, the
    Trustee must sell any Bonds remaining in the Trust, and, after paying all
    expenses and charges incurred by the Trust, distribute to each Certifi-
    cateholder, upon surrender for cancellation of his Certificate for Units,
    his pro rata share of the Interest and Principal Accounts. 

    The Sponsor

              The Sponsor, Bear, Stearns & Co. Inc., a Delaware corporation,
    is engaged in the underwriting, investment banking and brokerage business
    and is a member of the National Association of Securities Dealers, Inc.
    and all principal securities and commodities exchanges, including the New
    York Stock Exchange, the American Stock Exchange, the Midwest Stock
    Exchange and the Pacific Stock Exchange.  Bear Stearns maintains its
    principal business offices at 245 Park Avenue, New York, New York 10167
    and, since its reorganization from a partnership to a corporation in
    October, 1985 has been a wholly-owned subsidiary of The Bear Stearns
    Companies Inc.  Bear Stearns, through its predecessor entities, has been
    engaged in the investment banking and brokerage business since 1923.  Bear
    Stearns is the sponsor for numerous series of unit investment trusts,
    including:  A Corporate Trust, Series 1; New York Municipal Trust,
    Series 1 (and Subsequent Series), Discount & Zero Coupon Fund-1st Series
    (and Subsequent Series); Municipal Securities Trust, Series 1 (and
    Subsequent Series), 1st Discount Series (and Subsequent Series), Multi-
    State Series 1 (and Subsequent Series), High Income Trust Series 1 (and
    Subsequent Series), Insured Municipal Securities Trust, Series 1-4
    (Multiplier Portfolio), Series 1 (and Subsequent Series), 5th Discount
    Series (and Subsequent Series), Navigator Series (and Subsequent Series),
    Mortgage Securities Trust, CMO Series 1 (and Subsequent Series) and Equity
    Securities Trust, Series 1, Signature Series, Gabelli Communications
    Income Trust (and Subsequent Series).  The information included herein is
    only for the purpose of informing investors as to the financial
    responsibility of the Sponsor and its ability to carry out its contractual
    obligations. 

              The Sponsor is liable for the performance of its obligations
    arising from its responsibilities under the Trust Agreement, but will be
    under no liability to Certificateholders for taking any action, or
    refraining from taking any action, in good faith pursuant to the Trust
    Agreement, or for errors in judgment except in cases of its own willful
    misfeasance, bad faith, gross negligence or reckless disregard of its
    obligations and duties. 

              The Sponsor may resign at any time by delivering to the Trustee
    an instrument of resignation executed by the Sponsor. 

              If at any time the Sponsor shall resign or fail to perform any
    of its duties under the Trust Agreement or becomes incapable of acting or
    becomes bankrupt or its affairs are taken over by public authorities, then
    the Trustee may either (a) appoint a successor Sponsor; (b) terminate the
    Trust Agreement and liquidate the Trust; or (c) continue to act as Trustee
    without terminating the Trust Agreement.  Any successor Sponsor appointed
    by the Trustee shall be satisfactory to the Trustee and, at the time of
    appointment, shall have a net worth of at least $1,000,000. 

    The Trustee
       
              For certain of the Trusts as set forth in the "Summary of
    Essential Information" in Part A, the Trustee is United States Trust
    Company of New York, with its principal place of business at 770 Broadway,
    New York, New York 10003.  United States Trust Company of New York has,
    since its establishment in 1853, engaged primarily in the management of
    trust and agency accounts for individuals and corporations.  The Trustee
    is a member of the New York Clearing House Association and is subject to
    supervision and examination by the Superintendent of Banks of the State of
    New York, the Federal Deposit Insurance Corporation and the Board of
    Governors of the Federal Reserve System.
        
              For certain other Trusts as set forth in the "Summary of
    Essential Information" in Part A, the Trustee is The Bank of New York, a
    trust company organized under the laws of New York, having its offices at
    101 Barclay Street, New York, New York 10286 (1-800-431-8002).  The Bank
    of New York is subject to supervision and examination by the
    Superintendent of Banks of the State of New York and the Board of
    Governors of the Federal Reserve System, and its deposits are insured by
    the Federal Deposit Insurance Corporation to the extent permitted by law. 
    The Trustee must be a banking corporation organized under the laws of the
    United States or any state which is authorized under such laws to exercise
    corporate trust powers and must have at all times an aggregate capital,
    surplus and undivided profits of not less than $5,000,000.  The duties of
    the Trustee are primarily ministerial in nature.  The Trustee did not
    participate in the selection of Securities for the portfolio of the Trust.

              The Trustee shall not be liable or responsible in any way for
    taking any action, or for refraining from taking any action, in good faith
    pursuant to the Trust Agreement, or for errors in judgment; or for any
    disposition of any moneys, Bonds or Certificates in accordance with the
    Trust Agreement, except in cases of its own willful misfeasance, bad
    faith, gross negligence or reckless disregard of its obligations and
    duties; provided, however, that the Trustee shall not in any event be
    liable or responsible for any evaluation made by the Evaluator.  In
    addition, the Trustee shall not be liable for any taxes or other
    governmental charges imposed upon or in respect of the Bonds or the Trust
    which it may be required to pay under current or future law of the United
    States or any other taxing authority having jurisdiction.  The Trustee
    shall not be liable for depreciation or loss incurred by reason of the
    sale by the Trustee of any of the Bonds pursuant to the Trust Agreement. 

              For further information relating to the responsibilities of the
    Trustee under the Trust Agreement, see "Rights of Certificateholders". 

              The Trustee may resign by executing an instrument in writing and
    filing the same with the Sponsor, and mailing a copy of a notice of
    resignation to all Certificateholders.  In such an event the Sponsor is
    obligated to appoint a successor Trustee as soon as possible.  In
    addition, if the Trustee becomes incapable of acting or becomes bankrupt
    or its affairs are taken over by public authorities, the Sponsor may
    remove the Trustee and appoint a successor as provided in the Trust
    Agreement.  Notice of such removal and appointment shall be mailed to each
    Certificateholder by the Sponsor.  If upon resignation of the Trustee no
    successor has been appointed and has accepted the appointment within
    thirty days after notification, the retiring Trustee may apply to a court
    of competent jurisdiction for the appointment of a successor.  The
    resignation or removal of the Trustee becomes effective only when the
    successor Trustee accepts its appointment as such or when a court of
    competent jurisdiction appoints a successor Trustee.  Upon execution of a
    written acceptance of such appointment by such successor Trustee, all the
    rights, powers, duties and obligations of the original Trustee shall vest
    in the successor. 

              Any corporation into which the Trustee may be merged or with
    which it may be consolidated, or any corporation resulting from any merger
    or consolidation to which the Trustee shall be a party, shall be the
    successor Trustee.  The Trustee must always be a banking corporation
    organized under the laws of the United States or any State and have at all
    times an aggregate capital, surplus and undivided profits of not less than
    $2,500,000. 

    The Evaluator

              The Evaluator is Kenny S&P Evaluation Services, a division of
    Kenny Information Systems, Inc. with main offices located at 65 Broadway,
    New York, New York 10006.  The Evaluator is a wholly-owned subsidiary of
    McGraw-Hill, Inc.  The Evaluator is a registered investment advisor and
    also provides financial information services.

              The Trustee, the Sponsor and Certificateholders may rely on any
    evaluation furnished by the Evaluator and shall have no responsibility for
    the accuracy thereof.  Determinations by the Evaluator under the Trust
    Agreement shall be made in good faith upon the basis of the best
    information available to it, provided, however, that the Evaluator shall
    be under no liability to the Trustee, the Sponsor, or Certificateholders
    for errors in judgment, except in cases of its own willful misfeasance,
    bad faith, gross negligence or reckless disregard of its obligations and
    duties. 

              The Evaluator may resign or may be removed by the Sponsor and
    the Trustee, and the Sponsor and the Trustee are to use their best efforts
    to appoint a satisfactory successor.  Such resignation or removal shall
    become effective upon the acceptance of appointment by the successor
    Evaluator.  If upon resignation of the Evaluator no successor has accepted
    appointment within thirty days after notice of resignation, the Evaluator
    may apply to a court of competent jurisdiction for the appointment of a
    successor. 


                            TRUST EXPENSES AND CHARGES


              At no cost to the Trust, the Sponsor has borne all the expenses
    of creating and establishing the Trust, including the cost of initial
    preparation and execution of the Trust Agreement, registration of the
    Trust and the Units under the Investment Company Act of 1940 and the
    Securities Act of 1933, preparation and printing of the Certificates, the
    fees of the Evaluator during the initial public offering, legal and
    auditing expenses, advertising and selling expenses, initial fees and
    expenses of the Trustee and other out-of-pocket expenses. 

              The Sponsor will not charge the Trust a fee for its services as
    such.  See "Sponsor's Profits".

              The Trustee will receive for its ordinary recurring services to
    the Trust an annual fee in the amount set forth under "Summary of
    Essential Information" in Part A of this Prospectus.  For a discussion of
    the services performed by the Trustee pursuant to its obligations under
    the Trust Agreement, see "Trust Administration" and "Rights of Certifi-
    cateholders". 

              The Evaluator will receive, for each daily evaluation of the
    Bonds in the Trust, a fee in the amount set forth under "Summary of
    Essential Information" in Part A of this Prospectus. 

              The Trustee's and Evaluator's fees are payable monthly as of the
    Record Date from the Interest Account to the extent funds are available
    and then from the Principal Account.  Both fees may be increased without
    approval of the Certificateholders by amounts not exceeding proportionate
    increases in consumer prices for services as measured by the United States
    Department of Labor's Consumer Price Index entitled "All Services Less
    Rent". 

              The following additional charges are or may be incurred by the
    Trust:  all expenses (including counsel and auditing fees) of the Trustee
    incurred and advances made in connection with its activities under the
    Trust Agreement, including the expenses and costs of any action undertaken
    by the Trustee to protect the Trust and the rights and interests of the
    Certificateholders; fees of the Trustee for any extraordinary services
    performed under the Trust Agreement; indemnification of the Trustee for
    any loss or liability accruing to it without gross negligence, bad faith
    or willful misconduct on its part, arising out of or in connection with
    its acceptance or administration of the Trust; indemnification of the
    Sponsor for any loss, liabilities and expenses incurred in acting as
    Sponsor of the Trust without gross negligence, bad faith or willful
    misconduct on its part; and all taxes and other governmental charges
    imposed upon the Bonds or any part of the Trust (no such taxes or charges
    are being levied, made or, to the knowledge of the Sponsor, contemplated). 
    The above expenses, including the Trustee's fees, when paid by or owing to
    the Trustee are secured by a first lien on the Trust.  In addition, the
    Trustee is empowered to sell Bonds in order to make funds available to pay
    all expenses. 


                      EXCHANGE PRIVILEGE AND CONVERSION OFFER

    Exchange Privilege

              Certificateholders may elect to exchange any or all of their
    Units of these Trusts for Units of one or more of any available series of
    Insured Municipal Securities Trust, Municipal Securities Trust, New York
    Municipal Trust, Mortgage Securities Trust, A Corporate Trust or Equity
    Securities Trust (upon receipt by Equity Securities Trust of an
    appropriate exemptive order from the Securities and Exchange Commission)
    (the "Exchange Trusts") at a reduced sales charge as set forth below. 
    Under the Exchange Privilege, the Sponsor's repurchase price of the Units
    being surrendered, and only after the initial offering period is
    completed, will be based on the aggregate bid price of the Bonds in the
    particular Trust portfolio.  Units in an Exchange Trust then will be sold
    to the Certificateholder at a price based on the aggregate offer price of
    the Bonds in the Exchange Trust portfolio during the initial public
    offering period of the Exchange Trust (or for Units of Equity Securities
    Trust, based on the market value of the underlying securities in the
    Equity Trust portfolio); or based on the aggregate bid price of the Bonds
    in the Exchange Trust portfolio if its initial public offering has been
    completed, plus accrued interest (or for Units of Equity Securities Trust,
    based on the market value of the underlying securities in the Equity Trust
    portfolio) and a reduced sales charge as set forth below.

              Except for unitholders who wish to exercise the Exchange
    Privilege within the first five months of their purchase of Units of
    Trust, the sales charge applicable to the purchase of units of an Exchange
    Trust shall be $15 per unit (or per 1,000 Units for the Mortgage
    Securities Trust or per 100 Units for the Equity Securities Trust)
    (approximately 1.5% of the price of each Exchange Trust unit (or 1,000
    Units for the Mortgage Securities Trust or 100 Units for the Equity
    Securities Trust)).  For unitholders who wish to exercise the Exchange
    Privilege within the first five months of their purchase of Units of
    Trust, the sales charge applicable to the purchase of units of an Exchange
    Trust shall be the greater of (i) $15 per unit (or per 1,000 Units for the
    Mortgage Securities Trust or per 100 Units for the Equity Securities
    Trust), or (ii) an amount which when coupled with the sales charge paid by
    the unitholder upon his original purchase of Units of the Trust at least
    equals the sales charge applicable in the direct purchase of units of an
    Exchange Trust.  The Exchange Privilege is subject to the following
    conditions:

              (1)  The Sponsor must be maintaining a secondary market in both
         the Units of the Trust held by the Certificateholder and the Units of
         the available Exchange Trust.  While the Sponsor has indicated its
         intention to maintain a market in the Units of all Trusts sponsored
         by it, the Sponsor is under no obligation to continue to maintain a
         secondary market and therefore there is no assurance that the
         Exchange Privilege will be available to a Certificateholder at any
         specific time in the future.  At the time of the Certificateholder's
         election to participate in the Exchange Privilege, there also must be
         Units of the Exchange Trust available for sale, either under the
         initial primary distribution or in the Sponsor's secondary market.

              (2)  Exchanges will be effected in whole units only.  Any excess
         proceeds from the Units surrendered for exchange will be remitted and
         the selling Certificateholder will not be permitted to advance any
         new funds in order to complete an exchange.  Units of the Mortgage
         Securities Trust may only be acquired in blocks of 1,000 Units. 
         Units of the Equity Securities Trust may only be acquired in blocks
         of 100 Units.

              (3)  The Sponsor reserves the right to suspend, modify or
         terminate the Exchange Privilege.  The Sponsor will provide
         unitholders of the Trust with 60 days' prior written notice of any
         termination or material amendment to the Exchange Privilege, provided
         that, no notice need be given if (i) the only material effect of an
         amendment is to reduce or eliminate the sales charge payable at the
         time of the exchange, to add one or more series of the Trust eligible
         for the Exchange Privilege or to delete a series which has been
         terminated from eligibility for the Exchange Privilege, (ii) there is
         a suspension of the redemption of units of an Exchange Trust under
         Section 22(e) of the Investment Company Act of 1940, or (iii) an
         Exchange Trust temporarily delays or ceases the sale of its units
         because it is unable to invest amounts effectively in accordance with
         its investment objectives, policies and restrictions.  During the 60
         day notice period prior to the termination or material amendment of
         the Exchange Privilege described above, the Sponsor will continue to
         maintain a secondary market in the units of all Exchange Trusts that
         could be acquired by the affected unitholders.  Unitholders may,
         during this 60 day period, exercise the Exchange Privilege in
         accordance with its terms then in effect.  In the event the Exchange
         Privilege is not available to a Certificateholder at the time he
         wishes to exercise it, the Certificateholder will immediately be
         notified and no action will be taken with respect to his Units
         without further instructions from the Certificateholder.

              To exercise the Exchange Privilege, a Certificateholder should
    notify the Sponsor of his desire to exercise his Exchange Privilege.  If
    Units of a designated, outstanding series of an Exchange Trust are at the
    time available for sale and such Units may lawfully be sold in the state
    in which the Certificateholder is a resident, the Certificateholder will
    be provided with a current prospectus or prospectuses relating to each
    Exchange Trust in which he indicates an interest.  He may then select the
    Trust or Trusts into which he desires to invest the proceeds from his sale
    of Units.  The exchange transaction will operate in a manner essentially
    identical to a secondary market transaction except that units may be
    purchased at a reduced sales charge.

              Example:  Assume that after the initial public offering has been
    completed, a Certificateholder has five units of a Trust with a current
    value of $700 per unit which he has held for more than 5 months and the
    Certificateholder wishes to exchange the proceeds for units of a secondary
    market Exchange Trust with a current price of $725 per unit.  The proceeds
    from the Certificateholder's original units will aggregate $3,500.  Since
    only whole units of an Exchange Trust may be purchased under the Exchange
    Privilege, the Certificateholder would be able to acquire four units (or
    4,000 Units of the Mortgage Securities Trust or 400 Units of the Equity
    Securities Trust) for a total cost of $2,960 ($2,900 for unit and $60 for
    the sales charge).  The remaining $540 would be remitted to the
    Certificateholder in cash.  If the Certificateholder acquired the same
    number of units at the same time in a regular secondary market
    transaction, the price would have been $3,068.80 ($2,900 for units and
    $168.80 for the sales charge, assuming a 5 1/2% sales charge times the
    public offering price).

    The Conversion Offer

              Unit owners of any registered unit investment trust for which
    there is no active secondary market in the units of such trust (a
    "Redemption Trust") may elect to redeem such units and apply the proceeds
    of the redemption to the purchase of available Units of one or more series
    of A Corporate Trust, Municipal Securities Trust, Insured Municipal
    Securities Trust, Mortgage Securities Trust, New York Municipal Trust or
    Equity Securities Trust (upon receipt by the Equity Securities Trust of an
    appropriate exemptive order from the Securities and Exchange Commission)
    sponsored by Bear, Stearns & Co. Inc. or the Sponsor (the "Conversion
    Trusts") at the Public Offering Price for units of the Conversion Trust
    based on a reduced sales charge as set forth below.  Under the Conversion
    Offer, units of the Redemption Trust must be tendered to the trustee of
    such trust for redemption at the redemption price, which is based upon the
    aggregate bid side evaluation of the underlying bonds in such trust and is
    generally about 1-1.2% to 2% lower than the offering price for such bonds
    (or for Units of Equity Securities Trust, based on the market value of the
    underlying securities in the Equity Trust portfolio).  The purchase price
    of the units in the Conversion Trust will be based on the aggregate offer
    price of the bonds in the Conversion Trust Portfolio during its initial
    offering price (or for Units of Equity Securities Trust, based on the
    market value of the underlying securities in the Equity Trust portfolio);
    or, at a price based on the aggregate bid price of the underlying bonds if
    the initial public offering of the Conversion Trust has been completed,
    plus accrued interest (or for Units of Equity Securities Trust, based on
    the market value of the underlying securities in the Equity Trust
    portfolio) and a sales charge as set forth below.

              Except for unitholders who wish to exercise the Conversion Offer
    within the first five months of their purchase of units of a Redemption
    Trust, the sales charge applicable to the purchase of Units of the
    Conversion Trust shall be $15 per Unit (or per 1,000 Units for the
    Mortgage Securities Trust or per 100 Units for the Equity Securities
    Trust).  For unitholders who wish to exercise the Conversion Offer within
    the first five months of their purchase of units of a Redemption Trust,
    the sales charge applicable to the purchase of Units of a Conversion Trust
    shall be the greater of (i) $15 per Unit (or per 1,000 Units for the
    Mortgage Securities Trust or per 100 Units for the Equity Securities
    Trust) or (ii) an amount which when coupled with the sales charge paid by
    the unitholder upon his original purchase of units of the Redemption Trust
    at least equals the sales charge applicable in the direct purchase of
    Units of a Conversion Trust.  The Conversion Offer is subject to the
    following limitations:

              (1)  The Conversion Offer is limited only to unit owners of any
         Redemption Trust, defined as a unit investment trust for which there
         is no active secondary market at the time the Certificateholder
         elects to participate in the Conversion Offer.  At the time of the
         unit owner's election to participate in the Conversion Offer, there
         also must be available units of a Conversion Trust, either under a
         primary distribution or in the Sponsor's secondary market.

              (2)  Exchanges under the Conversion Offer will be effected in
         whole units only.  Unit owners will not be permitted to advance any
         new funds in order to complete an exchange under the Conversion
         Offer.  Any excess proceeds from units being redeemed will be
         returned to the unit owner.  Units of the Mortgage Securities Trust
         may only be acquired in blocks of 1,000 units.  Units of the Equity
         Securities Trust may only be acquired in blocks of 100 Units.

              (3)  The Sponsor reserves the right to modify, suspend or
         terminate the Conversion Offer at any time without notice to unit
         owners of Redemption Trusts.  In the event the Conversion Offer is
         not available to a unit owner at the time he wishes to exercise it,
         the unit owner will be notified immediately and no action will be
         taken with respect to his units without further instruction from the
         unit owner.  The Sponsor also reserves the right to raise the sales
         charge based on actual increases in the Sponsor's costs and expenses
         in connection with administering the program, up to a maximum sales
         charge of $20 per unit (or per 1,000 units for the Mortgage
         Securities Trust or per 100 Units for the Equity Securities Trust).

              To exercise the Conversion Offer, a unit owner of a Redemption
    Trust should notify his retail broker of his desire to redeem his
    Redemption Trust Units and use the proceeds from the redemption to
    purchase Units of one or more of the Conversion Trusts.  If Units of a
    designated, outstanding series of a Conversion Trust are at that time
    available for sale and if such Units may lawfully be sold in the state in
    which the unit owner is a resident, the unit owner will be provided with a
    current prospectus or prospectuses relating to each Conversion Trust in
    which he indicates an interest.  He then may select the Trust or Trusts
    into which he decides to invest the proceeds from the sale of his Units. 
    The transaction will be handled entirely through the unit owner's retail
    broker.  The retail broker must tender the units to the trustee of the
    Redemption Trust for redemption and then apply the proceeds to the
    redemption toward the purchase of units of a Conversion Trust at a price
    based on the aggregate offer or bid side evaluation per Unit of the
    Conversion Trust, depending on which price is applicable, plus accrued
    interest and the applicable sales charge.  The certificates must be
    surrendered to the broker at the time the redemption order is placed and
    the broker must specify to the Sponsor that the purchase of Conversion
    Trust Units is being made pursuant to the Conversion Offer.  The unit
    owner's broker will be entitled to retain $5 of the applicable sales
    charge.

              Example:  Assume a unit owner has five units of a Redemption
    Trust which has held for more than 5 months with a current redemption
    price of $675 per unit based on the aggregate bid price of the underlying
    bonds and the unit owner wishes to participate in the Conversion Offer and
    exchange the proceeds for units of a secondary market Conversion Trust
    with a current price of $750 per Unit.  The proceeds from the unit owner's
    redemption of units will aggregate $3,375.  Since only whole units of a
    Redemption Trust may be purchased under the Conversion Offer, the unit
    owner will be able to acquire four units of the Conversion Trust (or 4,000
    units of the Mortgage Securities Trust or 400 Units for the Equity
    Securities Trust) for a total cost of $2,860 ($2,800 for units and $60 for
    the sales charge).  The remaining $515 would be remitted to the unit owner
    in cash.  If the unit owner acquired the same number of Conversion Trust
    units at the same time in a regular secondary market transaction, the
    price would have been $2,962.96 ($2,800 for units and $162.96 sales
    charge, assuming a 5 1/2% sales charge times the public offering price).

    Description Of The Exchange Trusts And The Conversion Trusts

              A Corporate Trust may be an appropriate investment vehicle for
    an investor who is more interested in a higher current return on his
    investment (although taxable) than a tax-exempt return (resulting from the
    fact that the current return from taxable fixed income securities is
    normally higher than that available from tax-exempt fixed income
    securities).  Municipal Securities Trust and New York Municipal Trust may
    be appropriate investment vehicles for an investor who is more interested
    in tax-exempt income.  The interest income from New York Municipal Trust
    is, in general, also exempt from New York State and local New York income
    taxes, while the interest income from Municipal Securities Trust is
    subject to applicable New York State and local New York taxes, except for
    that portion of the income which is attributable to New York obligations
    in the Trust portfolio, if any.  The interest income from each State Trust
    of the Municipal Securities Trust, Multi-State Series is, in general,
    exempt from state and local taxes when held by residents of the state
    where the issuers of bonds in such State Trusts are located.  The Insured
    Municipal Securities Trust combines the advantages of providing interest
    income free from regular federal income tax under existing law with the
    added safety of irrevocable insurance.  Insured Navigator Series further
    combines the advantages of providing interest income free from regular
    federal income tax and state and local taxes when held by residents of the
    state where issuers of bonds in such state trusts are located with the
    added safety of irrevocable insurance.  Mortgage Securities Trust offers
    an investment vehicle for investors who are interested in obtaining safety
    of capital and a high level of current distribution of interest income
    through investment in a fixed portfolio of collateralized mortgage
    obligations.  Equity Securities Trust offers investors an opportunity to
    achieve capital appreciation together with a high level of current income.

    Tax Consequences Of The Exchange Privilege And The Conversion Offer

              A surrender of units pursuant to the Exchange Privilege or the
    Conversion Offer normally will constitute a "taxable event" to the Cer-
    tificateholder under the Code.  The Certificateholder will recognize a tax
    gain or loss that will be of a long or short-term capital or ordinary
    income nature depending on the length of time the units have been held and
    other factors.  A Certificateholder's tax basis in the Units acquired
    pursuant to the Exchange Privilege or Conversion Offer will be equal to
    the purchase price of such Units.  Investors should consult their own tax
    advisors as to the tax consequences to them of exchanging or redeeming
    units and participating in the Exchange Privilege or Conversion Offer. 



                                   OTHER MATTERS

    Legal Opinions
       
              The legality of the Units originally offered and certain matters
    relating to federal tax law have been passed upon by Messrs. Battle
    Fowler, 75 East 55th Street, New York, New York 10022, or Berger Steingut
    Tarnoff & Stern, 600 Madison Avenue, New York, New York 10022, as counsel
    for the Sponsor.  Messrs. Carter, Ledyard & Milburn, Two Wall Street, New
    York, New York 10005 have acted as counsel for United States Trust Company
    of New York.  On the initial date of deposit, Messrs. Booth & Baron acted
    as counsel for The Bank of New York. 

    Independent Auditors

              The financial statements of the Trusts included in Part A of
    this Prospectus as of the dates set forth in Part A have been examined by
    KPMG Peat Marwick, independent certified public accountants for the
    periods indicated in its reports appearing herein.  The financial
    statements of KPMG Peat Marwick have been so included in reliance on its
    report given upon the authority of said firm as experts in accounting and
    auditing. 
        

                           DESCRIPTION OF BOND RATINGS*

    Standard & Poor's Corporation

              A brief description of the applicable Standard & Poor's
    Corporation rating symbols and their meanings is as follows: 

              A Standard & Poor's corporate or municipal bond rating is a
    current assessment of the creditworthiness of an obligor with respect to a
    specific debt obligation.  This assessment of creditworthiness may take
    into consideration obligors such as guarantors, insurers, or lessees.

    *    As described by the rating agencies.

              The bond rating is not a recommendation to purchase or sell a
    security, inasmuch as it does not comment as to market price. 

              The ratings are based on current information furnished to
    Standard & Poor's by the issuer and obtained by Standard & Poor's from
    other sources it considers reliable.  The ratings may be changed,
    suspended or withdrawn as a result of changes in, or unavailability of,
    such information. 

              The ratings are based, in varying degrees, on the following
    considerations: 

         (1)  Likelihood of default--capacity and willingness of the obligor
    as to the timely payment of interest and repayment of principal in
    accordance with the terms of the obligation. 

         (2)  Nature of and provisions of the obligation. 

         (3)  Protection afforded by, and relative position of, the obligation
    in the event of bankruptcy, reorganization or other arrangement under the
    laws of bankruptcy and other laws affecting creditors' rights. 

              AAA --  This is the highest rating assigned by Standard & Poor's
    to a debt obligation and indicates an extremely strong capacity to pay
    principal and interest. 

              AA --  Bonds rated AA also qualify as high-quality debt
    obligations.  Capacity to pay principal and interest is very strong, and
    they differ from AAA issues only in small degrees.

              A --  Bonds rated A have a strong capacity to pay principal and
    interest, although they are somewhat more susceptible to the adverse
    effects of changes in circumstances and economic conditions. 

              BBB --  Bonds rated BBB are regarded as having an adequate
    capacity to pay principal and interest.  Whereas they normally exhibit
    adequate protection parameters, adverse economic conditions or changing
    circumstances are more likely to lead to a weakened capacity to pay
    principal and interest for bonds in this category than for bonds in the A
    category. 

              Plus (+) or Minus (-):  To provide more detailed indications of
    credit quality, the ratings from "AA" to "BB" may be modified by the
    addition of a plus or minus sign to show relative standing within the
    major rating categories. 

              Provisional Ratings -- (Prov.) following a rating indicates the
    rating is provisional, which assumes the successful completion of the
    project being financed by the issuance of the bonds being rated and
    indicates that payment of debt service requirements is largely or entirely
    dependent upon the successful and timely completion of the project.  This
    rating, however, while addressing credit quality subsequent to completion,
    makes no comment on the likelihood of, or the risk of default upon failure
    of, such completion.  Accordingly, the investor should exercise his own
    judgment with respect to such likelihood and risk. 

    Moody's Investors Service, Inc.

              A brief description of the applicable Moody's Investors Service,
    Inc.'s rating symbols and their meanings is as follows: 

              Aaa --  Bonds which are rated Aaa are judged to be of the best
    quality.  They carry the smallest degree of investment risk and are
    generally referred to as "gilt edge".  Interest payments are protected by
    a large or by an exceptionally stable margin and principal is secure. 
    While the various protective elements are likely to change, such changes
    as can be visualized are most unlikely to impair the fundamentally strong
    position of such issues. 

              Aa --  Bonds which are rated Aa are judged to be of high quality
    by all standards.  Together with the Aaa group they comprise what are
    generally known as high grade bonds.  They are rated lower than the best
    bonds because margins of protection may not be as large as in Aaa
    securities or fluctuation of protective elements may be of greater
    amplitude or there may be other elements present which make the long term
    risks appear somewhat larger than in Aaa securities. 

              A --  Bonds which are rated A possess many favorable investment
    attributes and are to be considered as upper medium grade obligations. 
    Factors giving security to principal and interest are considered adequate
    but elements may be present which suggest a susceptibility to impairment
    sometime in the future. 

              Baa --  Bonds which are rated Baa are considered as medium grade
    obligations, i.e., they are neither highly protected nor poorly secured. 
    Interest payments and principal security appear adequate for the present
    but certain protective elements may be lacking or may be
    characteristically unreliable over any great length of time.  Such bonds
    lack outstanding investment characteristics and in fact have speculative
    characteristics as well. 
              Those bonds in the A and Baa group which Moody's believes
    possess the strongest investment attributes are designated by the symbol
    A 1 and Baa 1.  Other A bonds comprise the balance of the group.  These
    rankings (1) designate the bonds which offer the maximum in security
    within their quality group, (2) designate bonds which can be bought for
    possible upgrading in quality and (3) additionally afford the investor an
    opportunity to gauge more precisely the relative attractiveness of
    offerings in the market place. 

              Moody's applies numerical modifiers, 1, 2, and 3 in each generic
    rating classification from Aa through B in its corporate bond rating
    system.  The modifier 1 indicates that the security ranks in the higher
    end of its generic rating category; the modifier 2 indicates a mid-range
    ranking; and the modifier 3 indicates that the issue ranks in the lower
    end of its generic rating category. 

              Con-Bonds for which the security depends upon the completion of
    some act or the fulfillment of some condition are rated conditionally. 
    These are debt obligations secured by (a) earnings of projects under
    construction, (b) earnings of projects unseasoned in operating experience,
    (c) rentals which begin when facilities are completed, or (d) payments to
    which some other limiting condition attaches.  Rating denotes probable
    credit stature upon completion of construction or elimination of basis of
    condition. 


    <PAGE>
                      FOR USE WITH MUNICIPAL SECURITIES TRUST
                                    SERIES 1-25
                             1st-34th DISCOUNT SERIES


    ==========================================================================


            AUTHORIZATION FOR INVESTMENT IN MUNICIPAL SECURITIES TRUST

                       TRP PLAN - TOTAL REINVESTMENT PLAN

    I hereby elect to participate in the TRP Plan and am the owner of _____
    units of Series ___/___ Discount Series.

    I hereby authorize The Bank of New York, Trustee, to pay all semi-annual
    or annual distributions of interest and principal (if any) with respect to
    such units to The Bank of New York, as TRP Plan Agent, who shall
    immediately invest the distributions in units of the available series of
    Municipal Securities Trust. 


    The foregoing authorization is subject in        Date ______________, 19__
    all respects to the terms and conditions of
    participation set forth in the prospectus
    relating to such available series. 


    ____________________________________         ___________________________
    Registered Holder (print)                    Registered Holder (print)


    _____________________________________        ____________________________
    Registered Holder Signature                  Registered Holder Signature
    (Two signatures if joint tenancy)


    My Brokerage Firm's Name                                                  

    Street Address                                                            

    City, State & Zip Code                                                    

    Salesman's Name ___________________________  Salesman's No.               


        UNIT HOLDERS NEED ONLY DATE AND SIGN THIS FORM AND MAIL THIS CARD. 


    ==========================================================================


                                Mail to your Broker
                                        or
                               The Bank of New York
                                101 Barclay Street
                             New York, New York  10286

    <PAGE>
                      FOR USE WITH MUNICIPAL SECURITIES TRUST
                                   SERIES 26-44
                             35th-72nd DISCOUNT SERIES


    ==========================================================================


            AUTHORIZATION FOR INVESTMENT IN MUNICIPAL SECURITIES TRUST

                        TRP PLAN - TOTAL REINVESTMENT PLAN


    I hereby elect to participate in the TRP Plan and am the owner of _____
    units of Series ___/___ Discount Series.

    I hereby authorize the United States Trust Company of New York, Trustee,
    to pay all semi-annual or annual distributions of interest and principal
    (if any) with respect to such units to the United States Trust Company of
    New York, as TRP Plan Agent, who shall immediately invest the
    distributions in units of the available series of Municipal Securities
    Trust. 


    The foregoing authorization is subject in        Date ______________, 19__
    all respects to the terms and conditions of
    participation set forth in the prospectus
    relating to such available series. 


    ___________________________________________                               
    Registered Holder (print)                    Registered Holder (print)


    ___________________________________________                               
    Registered Holder Signature                  Registered Holder Signature
                                          (Two signatures if joint tenancy)


    My Brokerage Firm's Name                                                  

    Street Address                                                            

    City, State & Zip Code                                                    

    Salesman's Name ___________________________  Salesman's No.               


        UNIT HOLDERS NEED ONLY DATE AND SIGN THIS FORM AND MAIL THIS CARD. 


    ==========================================================================


                                Mail to your Broker
                                        or
                      United States Trust Company of New York
                          Attn:  UIT Reinvestment Unit A
                                   770 Broadway
                             New York, New York  10003


    <PAGE>

                           
                         INDEX                       MUNICIPAL SECURITIES TRUST
                                                      (Unit Investment Trust)
                                                             Prospectus
     Title                                   Page
                                                      Dated:  October 28, 1994
     Summary of Essential Information  . . .  A-4
     Information Regarding the Trust . . . .  A-6             Sponsor:
     Financial and Statistical Information .  A-7
     Audit and Financial Information                  Bear, Stearns & Co. Inc.
       Report of Independent Accountants . .  F-1         245 Park Avenue
       Statements of Net Assets  . . . . . .  F-2    New York, New York  10167
       Statements of Operations  . . . . . .  F-3           212-272-2500
       Statements of Changes in Net Assets .  F-4
       Notes to Financial Statements . . . .  F-5             Trustee:
       Portfolio . . . . . . . . . . . . . .  F-7
     The Trust . . . . . . . . . . . . . . .    1   United States Trust Company
     Public Offering . . . . . . . . . . . .    7           of New York
     Estimated Long Term Return and                         770 Broadway
       Estimated Current Return  . . . . . .    8    New York, New York  10003
     Rights of Certificateholders  . . . . .    9          1-800-428-8890
     Tax Status  . . . . . . . . . . . . . .   11                 
     Liquidity . . . . . . . . . . . . . . .   15                or
     Total Reinvestment Plan . . . . . . . .   17
     Trust Administration  . . . . . . . . .   21       The Bank of New York
     Trust Expenses and Charges  . . . . . .   25        101 Barclay Street
     Exchange Privilege and Conversion Offer   26    New York, New York  10286
     Other Matters . . . . . . . . . . . . .   30          1-800-431-8002
     Description of Bond Ratings . . . . . .   30
                                                             Evaluator:

     Parts A and B of this Prospectus do not            Kenny S&P Evaluation
     contain all of the information set forth in              Services
     the registration statement and exhibits                65 Broadway
     relating thereto, filed with the Securities     New York, New York  10006
     and Exchange Commission, Washington, D.C.,
     under the Securities Act of 1933, and to
     which reference is made. 

                       *   *   *


               This Prospectus does not constitute an offer to sell, or a
    solicitation of an offer to buy, securities in any state to any person to
    whom it is not lawful to make such offer in such state. 

                                     *   *   *

               No person is authorized to give any information or to make any
    representations not contained in Parts A and B of this Prospectus; and any
    information or representation not contained herein must not be relied upon
    as having been authorized by the Trust, the Trustee, the Evaluator, or the
    Sponsor.  The Trust is registered as a unit investment trust under the
    Investment Company Act of 1940.  Such registration does not imply that the
    Trust or any of its Units have been guaranteed, sponsored, recommended or
    approved by the United States or any state or any agency or officer
    thereof. 

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