FIRST TRUST GNMA SERIES 68
S-6EL24, 1994-05-13
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               SECURITIES AND EXCHANGE COMMISSION
                     WASHINGTON, D.C.  20549
                                
                            FORM S-6
                                
 For Registration Under the Securities Act of 1933 of Securities
       of Unit Investment Trusts Registered on Form N-8B-2

A. Exact Name of Trust:             THE FIRST TRUST GNMA,
                                      SERIES 68

B. Name of Depositor:               NIKE SECURITIES L.P.

C. Complete Address of Depositor's  1001 Warrenville Road
   Principal Executive Offices:     Lisle, Illinois 60532

D. Name and Complete Address of     NIKE SECURITIES L.P.
   Agents for Service:              Attention: James A. Bowen
                                    1001 Warrenville Road
                                    Lisle, Illinois  60532

                                    CHAPMAN AND CUTLER
                                    Attention: Eric F. Fess
                                    111 West Monroe Street
                                    Chicago, Illinois  60603

E. Title and Amount of Securities   An indefinite number of Units
   Being Registered:                pursuant to Rule 24f-2
                                    promulgated under the
                                    Investment Company Act of
                                    1940, as amended

F. Proposed Maximum Offering Price  Indefinite
   to the Public of the Securities
   Being Registered:

G. Amount of Filing Fee (as required
   by Rule 24f-2):                  $500.00

H. Approximate Date of Proposed     _____ Check if it is proposed
   Sale to the Public:              that this filing will become
                                    effective on ___ at: ___ p.m.
                                    pursuant to Rule 487.

The  registrant hereby amends this Registration Statement on such
date  or  dates  as may be necessary to delay its effective  date
until  the  registrant  shall  file  a  further  amendment  which
specifically  states  that  this  Registration  Statement   shall
thereafter  become effective in accordance with Section  8(a)  of
the  Securities  Act of 1933 or until the Registration  Statement
shall  become  effective on such date as the  Commission,  acting
pursuant to said Section 8(a), may determine.
                      THE FIRST TRUST GNMA
                                
                                
                            SERIES 68
                                
                                
                      CROSS REFERENCE SHEET
                                
                                
Pursuant to Rule 404(c) of Regulation C Under the Securities Act
                             of 1933
                                
                                
(Form N-8B-2 Items Required by Instruction 1 as to Prospectus on
                            Form S-6)

 FORM N-8B-2 ITEM NUMBER         FORM S-6 HEADING IN PROSPECTUS

            I.   Organization and General Information

1.   (a)  Name of trust
     (b)  Title of securities issued    Prospectus Front Cover
                                        Page

2.   Name and address of Depositor      Summary of Essential
                                        Information
                                        Information as to
                                        Sponsor, Trustee
                                        and Evaluator

3.   Name and address of Trustee        Summary of Essential
                                        Information
                                        Information as to
                                        Sponsor, Trustee
                                        and Evaluator

4.   Name and address of principal      Information as to
     underwriter                        Sponsor, Trustee
                                        and Evaluator

5.   Organization of Trust              The First Trust GNMA

6.   Execution and termination of       The First Trust GNMA
     Trust Agreement                    Other Information

7.   Changes of name                      *

8.   Fiscal year                          *

9.   Litigation                           *
 FORM N-8B-2 ITEM NUMBER         FORM S-6 HEADING IN PROSPECTUS

II.  General Description of the Trust and Securities of the Trust

10.  General information regarding      The First Trust GNMA
     trust's securities                 Public Offering
                                        Rights of Unit Holders
                                        Information as to
                                        Sponsor, Trustee
                                        and Evaluator
                                        Other Information

11.  Type of securities comprising      Prospectus Front Cover
     units                              Page
                                        The First Trust GNMA
                                        Portfolio

12.  Certain information regarding        *
     periodic payment certificates

13.  (a)  Load, fees, expenses, etc.    Prospectus Front Cover
                                        Page
                                        Summary of Essential
                                        Information
                                        The First Trust GNMA
                                        Rights of Unit Holders

     (b)  Certain information regarding   *
          periodic payment certificates

     (c)  Certain percentages           Prospectus Front Cover
                                        Page
                                        Summary of Essential
                                        Information
                                        The First Trust GNMA
                                        Public Offering

     (d)  Certain other fees, etc.      Rights of Unit Holders
          payable by holders

     (e)  Certain profits receivable    Public Offering
          by depositor, principal       Portfolio
          underwriter, trustee or
          affiliated persons

     (f)  Ratio of annual charges to      *
          income

14.  Issuance of trust's securities     Rights of Unit Holders
 FORM N-8B-2 ITEM NUMBER         FORM S-6 HEADING IN PROSPECTUS

15.  Receipt and handling of payments     *
     from purchasers

16.  Acquisition and disposition of     The First Trust GNMA
     underlying securities              Information as to
                                        Sponsor, Trustee
                                        and Evaluator

17.  Withdrawal or redemption           Public Offering
                                        Rights of Unit Holders

18.  (a)  Receipt and disposition       Prospectus Front Cover
          of income                     Page
                                        Rights of Unit Holders

     (b)  Reinvestment of               Rights of Unit Holders
          distributions

     (c)  Reserves or special funds     The First Trust GNMA
                                        Rights of Unit Holders

     (d)  Schedule of distributions       *

19.  Records, accounts and reports      Rights of Unit Holders

20.  Certain miscellaneous provisions   Information as to
     of Trust Agreement                 Sponsor, Trustee
                                        and Evaluator
                                        Other Information

21.  Loans to security holders            *

22.  Limitations on liability           The First Trust GNMA
                                        Information as to
                                        Sponsor, Trustee
                                        and Evaluator

23.  Bonding arrangements               Contents of Registration
                                        Statement

24.  Other material provisions of         *
     Trust Agreement

III.  Organization, Personnel and Affiliated Persons of Depositor

25.  Organization of Depositor          Information as to
                                        Sponsor, Trustee
                                        and Evaluator
     FORM N-8B-2 ITEM NUMBER    FORM S-6 HEADING IN PROSPECTUS

26.  Fees received by Depositor           *

27.  Business of Depositor              Information as to
                                        Sponsor, Trustee
                                        and Evaluator

28.  Certain information as to offi-      *
     cials and affiliated persons
     of Depositor

29.  Voting securities of Depositor       *

30.  Person controlling Depositor         *

31.  Payments by Depositor for            *
     certain services rendered to
     trust

32.  Payments by Depositor for            *
     certain services rendered
     to trust

33.  Remuneration of employees of         *
     Depositor for certain services
     rendered to trust

34.  Remuneration of other persons        *
     for certain services rendered
     to trust

         IV.  Distribution and Redemption of Securities

35.  Distribution of trust's securities Public Offering
     by states

36.  Suspension of sales of trust's       *
     securities

37.  Revocation of authority to distribute             *

38.  (a)  Method of distribution        Public Offering

     (b)  Underwriting agreements       Public Offering
     FORM N-8B-2 ITEM NUMBER     FORM S-6 HEADING IN PROSPECTUS

     (c)  Selling agreements            Public Offering

39.  (a)  Organization of principal     Information as to
          underwriter                   Sponsor, Trustee
                                          and Evaluator

     (b)  NASD membership of principal  Information as to
          underwriter                   Sponsor, Trustee
                                          and Evaluator

40.  Certain fees received by             *
     principal underwriter

41.  (a)  Business of principal         Information as to
          underwriter                   Sponsor, Trustee
                                        and Evaluator

     (b)  Branch offices of principal     *
          underwriter

     (c)  Salesmen of principal           *
          underwriter

42.  Ownership of trust's securities      *
     by certain persons

43.  Certain brokerage commissions        *
     received by principal underwriter

44.  (a)  Method of valuation           Prospectus Front Cover
                                        Page
                                        Summary of Essential
                                        Information
                                        The First Trust GNMA
                                        Public Offering

     (b)  Schedule as to offering price   *

     (c)  Variation in offering price   Public Offering
          to certain persons

45.  Suspension of redemption rights      *

46.  (a)  Redemption valuation          Rights of Unit Holders

     (b)  Schedule as to redemption       *
               price
     FORM N-8B-2 ITEM NUMBER    FORM S-6 HEADING IN PROSPECTUS

47.  Maintenance of position in         Public Offering
     underlying securities              Rights of Unit Holders

         V.   Information Concerning the Trustee or Custodian

48.  Organization and regulation        Information as to
     of Trustee                         Sponsor, Trustee
                                        and Evaluator

49.  Fees and expenses of Trustee       The First Trust GNMA

50.  Trustee's lien                     The First Trust GNMA

 VI.  Information Concerning Insurance of Holders of Securities

51.  Insurance of holders of trust's    *
     securities

                   VII.  Policy of Registrant

52.  (a)  Provisions of trust agreement Rights of Unit Holders
          with respect to selection or
          elimination of underlying
          securities

     (b)  Transactions involving          *
          elimination of underlying
          securities

     (c)  Policy regarding substitution Rights of Unit Holders
          or elimination of
          underlying securities

     (d)  Fundamental policy not          *
          otherwise covered

53.  Tax status of trust                The First Trust GNMA

          VIII.  Financial and Statistical Information.

54.  Trust's securities during            *
          last ten years

55.

56.  Certain information regarding        *

57.  periodic payment certificates
     FORM N-8B-2 ITEM NUMBER     FORM S-6 HEADING IN PROSPECTUS

58.

59.  Financial statements (Instructions Opinion of Independent
      1(c) to Form S-6)                 Public Accountants
                                        Statement of Net Assets
                                        of the Fund






*    Inapplicable, omitted, answer negative or not required.
     


               SUBJECT TO COMPLETION, DATED MAY 13, 1994


                      The First Trust GNMA
                            Series 68

The Trust consists of the underlying separate unit investment 
trust designated Series 68. The Trust consists of a portfolio 
of taxable mortgage-backed securities of the fully modified pass-through 
type, which involve large pools of mortgages and are fully guaranteed 
as to principal and interest by the Government National Mortgage 
Association ("GNMA"), delivery statements relating to contracts 
for the purchase of certain such securities and an irrevocable 
letter of credit (the "Securities" or "Ginnie Maes") including 
so-called "Ginnie Mae IIs." All of the Securities in Series 68 
of the Trust consist of pools of mortgages on 1- to 4-family dwellings 
with terms of up to 30 years.

The Objectives of each Series of the Trust are monthly distributions 
of interest through an investment in a portfolio of Ginnie Maes. 
With the deposit of the Securities in the Trust on            
              , the Initial Date of Deposit, the Sponsor established 
for Series 68 a percentage relationship between the principal 
amount of Ginnie Maes of specified interest rates and ranges of 
maturities in the related Portfolio. From time to time, pursuant 
to the Indenture, following the Initial Date of Deposit the Sponsor 
may deposit additional Securities in Series 68 of the Trust and 
Units may be continuously offered for sale to the public by means 
of this Prospectus resulting in a potential increase in the outstanding 
number of Units of the Trust. Any additional Securities deposited 
in Series 68 of the Trust will maintain as far as practicable 
the original percentage relationship between the principal amounts 
of Ginnie Maes of specified interest rates and ranges of maturities 
in the original Portfolio of the Trust. Precise duplication of 
this original percentage relationship may not be possible because 
fractions of Ginnie Maes may not be purchased and identical securities 
may not be available, but duplication will continue to be the 
goal in connection with any such additional Securities. These 
original percentage relationships on the Initial Date of Deposit 
are set forth under "What is the First Trust GNMA?" 

The guaranteed payment of interest afforded by Ginnie Maes may 
make an investment in Series 68 of the Trust particularly well 
suited for purchase by Individual Retirement Accounts, Keogh Plans, 
pension funds and other tax-deferred retirement plans. In addition, 
the ability to buy single Units (minimum purchase $1,000, $250 
for tax-deferred retirement plans such as IRA accounts) during 
the initial offering period at a Public Offering Price per Unit 
of approximately $1.00 enables such investors to tailor the dollar 
amount of their purchases of Units to take the maximum possible 
advantage of the annual deductions available for contributions 
to such plans. Investors should consult with their tax advisers 
before investing. See "Why are Investments in Series 68 of the 
Trust Suitable for Retirement Plans?"

Reinvestment of Principal by the Trust. In an effort to minimize 
the effect of principal payments and prepayments during the first 
10 years of the Trust ending on December 31, 2004 (the "Reinvestment 
Period"), the Sponsor will direct the Trustee to reinvest all 
distributions of principal into additional Ginnie Maes which are 
similar as to maturity and interest rates as the Securities upon 
which the principal was received. There may be times in which 
such reinvestment will not be feasible because the additional 
Ginnie Maes are not available or for other reasons described herein. 
Semi-annually, amounts in the Principal Account which cannot be 
reinvested during the Reinvestment Period will be distributed 
to Unit holders unless the amount available for distribution is 
less than $1.00 per 1,000 Units.

For Information on Estimated Current Return (if applicable) and 
Estimated Long-Term Return, see "Special Information."  Estimated 
cash flows for Series 68 of the Trust are available upon request at no
charge from the Sponsor.

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

INFORMATION CONTAINED HEREIN IS SUBJECT TO COMPLETION OR AMENDMENT. A
REGISTRATION STATEMENT RELATING TO THESE SECURITIES HAS BEEN FILED 
WITH THE SECURITIES AND EXCHANGE COMMISSION. THESE SECURITIES MAY
NOT BE SOLD NOR MAY OFFERS BE ACCEPTED PRIOR TO THE TIME THE REGISTRATION
STATEMENT BECOMES EFFECTIVE. THIS PROSPECTUS SHALL NOT CONSTITUTE
AN OFFER TO SELL OR THE SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE
BE ANY SALE OF THESE SECURITIES IN ANY STATE IN WHICH SUCH OFFER,
SOLICITATION OR SALE WOULD BE UNLAWFUL PRIOR TO REGISTRATION OR
QUALIFICATION UNDER THE SECURITIES LAWS OF ANY STATE.

    The date of this Prospectus is                          

Page 1



The Public Offering Price per 1,000 Units is equal to the aggregate 
offering price of the Securities in the portfolio of a Series 
of the Trust divided by the number of Units outstanding multiplied 
by 1,000, plus a sales charge of 3.80% of the Public Offering 
Price (3.950% of the amount invested) for Series 68. In addition, 
on transactions entered into for settlement after             
             , there will be added an amount equal to accrued 
interest from                           to the date of settlement 
(five business days after order) less distributions from the Interest 
Account subsequent to                          . The secondary 
market Public Offering Price per 1,000 Units will be equal to 
the aggregate bid price of the Securities in the portfolio of 
a Series of the Trust divided by the number of Units outstanding 
multiplied by 1,000, plus a sales charge of 4.00% (4.167% of the 
amount  invested) for Series 68. At the opening of business on 
the Initial Date of Deposit,                          , the Public 
Offering Price per 1,000 Units would have been $           for 
Series 68. The sales charge is reduced on a graduated scale for 
sales involving at least $100,000. See "How is the Public Offering 
Price Determined?", particularly for the method of evaluation.

Each Unit represents an undivided interest in the principal and 
net income of a Series of the Trust in the ratio of one Unit for 
each $1.00 principal amount of Securities initially deposited 
in such Series.

Monthly Distributions of interest received by Series 68 of the 
Trust will be paid in cash unless the Unit holder elects to have 
them automatically reinvested as described herein. See "How Can 
Distributions to Unit Holders be Reinvested?" Monthly distributions 
will be made on or shortly after the first day of each month (except 
for the distribution which would be made on January 1, which instead 
will be on or before December 31), to all Unit holders of record 
on the 1st day of the preceding month, commencing with the First 
Distribution on                         . The                 
                estimated distribution will consist entirely of 
principal which will be reinvested as discussed in "What is the 
First Trust GNMA?" On                                the regular 
monthly distribution of interest will commence. During the Reinvestment 
Period, amounts of principal which are not reinvested will be 
distributed to all Unit holders of record on June 1 and December 
1, respectively. After the Reinvestment Period, amounts of principal 
will be distributed in the same manner as monthly distributions 
of interest income.

The Sponsor, although not obligated to do so, intends to maintain 
a market for the Units of Series 68 at prices based upon the aggregate 
offering price of the Securities in the portfolio of Series 68 
of the Trust during the initial offering period and at prices 
based upon the aggregate bid price of the Securities in the portfolio 
of Series 68 of the Trust after the initial offering period. In 
the absence of such a market, a Unit holder will nonetheless be 
able to dispose of the Units through redemption at prices based 
upon the bid prices of the underlying Securities (see "How May 
Units be Redeemed?").


Page 2



                                 Summary of Essential Information
        At the Opening of Business on the Initial Date of Deposit
                      of the Securities-                      
   
          Sponsor:      Nike Securities L.P.
          Trustee:      United States Trust Company of New York
        Evaluator:      Securities Evaluation Service, Inc.

<TABLE>
<CAPTION>
                                                                                        The First Trust
                                                                                        GNMA
                                                                                        Series 68
                                                                                        _______________
<S>                                                                                     <C>
General Information
Principal Amount of Securities in the Trust                                             $           
Number of Units                                                                                      
Fractional Undivided Interest in the Trust per Unit                                     1/ 
Public Offering Price:
        Aggregate Offering Price Evaluation of Securities in the Portfolio              $       
                                                                                        ============
        Aggregate Offering Price Evaluation per 1,000 Units                             $  
        Sales Charge (1)                                                                $       3.80
                                                                                        ____________
        Public Offering Price per 1,000 Units (2)                                       $             
                                                                                        ============
Sponsor's Initial Repurchase Price per 1,000 Units (2)                                  $       
Redemption Price per 1,000 Units                                                        $       
Excess of Public Offering Price per 1,000 Units Over Redemption 
        Price per 1,000 Units (3)                                                       $       
Excess of Sponsor's Initial Repurchase Price per 1,000 Units Over
        Redemption Price per 1,000 Units (3)                                            $       
</TABLE>

First Settlement Date                                            
Mandatory Termination Date              
Discretionary Liquidation Amount        A Trust may be terminated if 
                                        the principal amount thereof is 
                                        less than the lower of $2,000,000 
                                        or 40% of the total principal amount 
                                        of Securities deposited in a Trust 
                                        during the primary offering period.
Supervisory Fee                         Maximum of $.15 per 1,000 
                                        Units outstanding annually (4)
Evaluator's Fee                         $0.30 per 1,000 Units outstanding 
                                        annually plus $0.25 per evaluation for 
                                        each issue of underlying securities 
                                        in excess of 50 issues (treating 
                                        separate maturities as separate issues).

Evaluations for purposes of sale, purchase or redemption of Units 
are made at 4:00 p.m. Eastern time.

[FN]
(1)     Sales charges for the Trust, expressed as a percentage of 
the Public Offering Price per Unit and in parenthesis as a percentage

of the Aggregate Offering Price Evaluation per 1,000 Units, are 
as follows: 3.80% (3.950%) for Series 68.

(2)     Anyone ordering Units for settlement after the First Settlement 
Date will pay accrued interest from such date to the date of settlement

(normally five business days after order) less distributions from 
the Interest Account subsequent to the First Settlement Date. 
For purchases settling on the First Settlement Date, no accrued 
interest will be added to the Public Offering Price. After the 
initial offering period, the Sponsor's Repurchase Price per Unit 
will be determined as described under the caption "Will There 
Be a Secondary Market?"

(3)     See "How May Units be Redeemed?"

(4)     Payable to an affiliate of the Sponsor.


Page 3



                      THE FIRST TRUST GNMA

What is the First Trust GNMA?

The First Trust GNMA consists of the underlying separate unit 
investment trust designated as Series 68 (a "Series") and such 
Series is also referred to herein as the "Trust." The Trust was 
created under the laws of the State of New York pursuant to a 
Trust Agreement (the "Indenture"), dated the Initial Date of Deposit, 
with Nike Securities L.P., as Sponsor, United States Trust Company 
of New York, as Trustee, Securities Evaluation Service, Inc., 
as Evaluator and First Trust Advisors L.P., as Portfolio Supervisor. 
On the Initial Date of Deposit, the Sponsor deposited with the 
Trustee $               for Series 68 principal amount of taxable 
mortgage-backed securities of the fully modified pass-through 
type, delivery statements relating to contracts for the purchase 
of certain such obligations and an irrevocable letter of credit 
issued by a financial institution in the amount required for such 
purchases (the "Securities" or "Ginnie Maes") including so-called 
Ginnie Mae IIs. The Trustee thereafter credited to the account 
of the Sponsor                Units for Series 68 representing 
the entire ownership of the Trust at the Initial Date of Deposit, 
which Units are being offered hereby. Units will remain outstanding 
until redeemed upon tender to the Trustee by any Unit holder (which 
may include the Sponsor) or until the termination of a Series 
of the Trust pursuant to the Indenture.

The objectives of the Trust are monthly distributions of interest 
through an investment in a portfolio of Securities (the "Portfolio") 
consisting of Ginnie Maes guaranteed by the Government National 
Mortgage Association ("GNMA"). Although the Ginnie Maes are backed 
by the full faith and credit of the United States, the Units of 
the Trust, as such, are not backed by such full faith and credit. 
The Trust may be an appropriate medium for investors who desire 
to participate in a portfolio of taxable fixed income securities 
offering the safety of capital provided by securities backed by 
the full faith and credit of the United States but who do not 
wish to invest the minimum $25,000 which is required for a direct 
investment in GNMA guaranteed securities. Because additional Securities 
may be deposited in the Trust as described herein, the Trust is 
not expected to retain its present size and composition. Any additional 
Securities deposited in the Trust will maintain as far as practicable 
the original percentage relationship between the principal amounts 
of Ginnie Maes of specified interest rates and ranges of maturities 
in the original portfolio of the Trust. Precise duplication of 
the original percentage relationship may not be possible due to 
the fact that Ginnie Maes of a specific range of maturities and 
interest rate may not be available and fractions of Ginnie Maes 
may not be purchased.

Reinvestment. During the first 10 years of the Trust ending on 
December 31, 2004 (the "Reinvestment Period"), the Sponsor will 
direct the Trustee to reinvest all payments and prepayments of 
principal from the underlying Ginnie Maes into additional Ginnie 
Mae securities which have similar maturities and interest rates 
as the Securities upon which the principal was received. Reinvestment 
of principal into additional Ginnie Maes during periods when interest 
rates are at a level different from those prevailing at the Date 
of Deposit will have the effect of increasing or decreasing monthly 
distributions of interest income from the Trust. Reinvestment 
of principal into the Ginnie Maes eligible for inclusion in the 
Trust will also have the effect of increasing the par value of 
the Units for reinvestment during periods of increasing interest 
rates from those prevailing at the Date of Deposit and during 
periods of declining interest rates the par value of the Units 
will decrease. There may be times when the Principal Account of 
the Trust has cash which cannot be reinvested because additional 
Ginnie Maes are not available or the amount of cash in the Principal 
Account is insufficient to buy additional Ginnie Maes without 
the Trust incurring disproportionate brokerage expenses. During 
these periods the amounts in the Principal Account will remain 
uninvested, thus, reducing the return to Unit holders. Amounts, 
if any, which cannot be reinvested during the Reinvestment Period 
in additional Ginnie Maes will be distributed to Unit holders 
semiannually unless the amount available for distribution is less 
than $1.00 per 1,000 Units. In such a circumstance, Unit holders 
should be aware that at the time of the receipt of such principal 
they may not be able to reinvest such principal in other securities 
at a yield equal to or in excess of the yield which such principal 
would have earned to Unit holders had the principal been reinvested


Page 4

in additional Ginnie Maes by the Trustee. In addition, principal 
will not be reinvested and will be distributed to Unit holders 
if required to maintain the status of the Trust as a "regulated 
investment company." See "What is the Tax Status of Unit Holders." 
The costs of acquiring the additional Ginnie Maes will be borne 
by the Trust and hence, the Unit holders. The Trustee may retain 
the Sponsor to purchase the additional Ginnie Maes and pay them 
usual and customary brokerage commissions. There will be no attempt 
to time or delay the purchase of additional Ginnie Maes for reinvestment 
to take advantage of market movements.

In selecting Ginnie Maes for deposit in the Trust, the following 
factors, among others, were considered by the Sponsor: (i) the 
types of such securities available; (ii) the prices and yields 
of such securities relative to other comparable securities, including 
the extent to which such securities are trading at a premium or 
at a discount from par; and (iii) the maturities of such securities. 
See "Portfolio" for information with respect to the Securities 
initially selected for deposit in the Trust. The Ginnie Maes included 
in the Trust are backed by the indebtedness secured by the mortgages 
contained in the underlying mortgage pools.

An investment in Units of the Trust should be made with an understanding 
of the risks which an investment in fixed rate long-term debt 
obligations may entail, including the risk that the value of the 
Portfolio and hence of the Units will decline with increases in 
interest rates. The value of the underlying Securities will fluctuate 
inversely with changes in interest rates. In addition, the potential 
for appreciation of the underlying Securities, which might otherwise 
be expected to occur as a result of a decline in interest rates, 
may be limited or negated by increased principal prepayments in 
respect of the underlying mortgages. The high inflation during 
certain periods, together with the fiscal measures adopted to 
attempt to deal with it, has resulted in wide fluctuations in 
interest rates and, thus, in the value of fixed rate long-term 
debt obligations generally. The Sponsor cannot predict whether 
such fluctuations will continue in the future or whether the reinvestment 
of principal will mitigate the impact of these fluctuations.

The Portfolio of the Trust consists of contracts to purchase Ginnie 
Maes fully guaranteed as to payments of principal and interest 
by GNMA. Each group of Ginnie Maes described herein as having 
a specified range of maturities includes individual mortgage-backed 
securities which have varying ranges of maturities within each 
range set forth in the Portfolio. The percentage relationships 
of the Securities deposited in the Trust on the Initial Date of 
Deposit are as follows: Series 68-       % coupon Ginnie Maes 
maturing within a range of         through           constitute 
           % of the Portfolio. Current market conditions accord 
no difference in price among individual Ginnie Mae securities 
within certain ranges of stated maturity dates on the basis of 
the difference in the maturity dates of each Ginnie Mae. A purchase 
of Ginnie Maes with the same coupon rate and maturity date within 
such range will be considered an acquisition of the same security 
for both additional deposits and for the reinvestment of principal. 
In the future, however, the difference in maturity ranges could 
affect market value of the individual Ginnie Maes. At such time, 
any additional purchases by the Trust will take into account the 
maturities of the individual securities. The mortgages underlying 
the Ginnie Maes in Series 68 of the Trust have a stated maturity 
of up to 30 years.

The reinvestment of principal by the Trustee in additional Ginnie 
Maes may result in Securities being acquired at a market discount 
or market premium.

The Portfolio of the Trust may contain Securities which were acquired 
at a market discount. Such Securities trade at less than par value 
because the interest coupons thereon are lower than interest coupons 
on comparable debt securities being issued at currently prevailing 
interest rates. If such interest rates for newly issued and otherwise 
comparable securities increase, the market discount of previously 
issued securities will become greater, and if such interest rates 
for newly issued comparable securities decline, the market discount 
of previously issued securities will be reduced, other things 
being equal. Investors should also note that the value of Ginnie 
Maes purchased at a market discount will increase in value faster 
than Ginnie Maes purchased at a market premium if interest rates 
decrease. Conversely, if interest rates increase the value of 
Ginnie Maes purchased at a market discount will decrease faster 
than Ginnie Maes purchased at a premium. In addition, if interest 
rates rise, the prepayment risk of higher yielding, premium Ginnie 
Maes and the


Page 5

prepayment benefit for lower yielding, discount Ginnie Maes will 
be reduced. Market discount attributable to interest changes does 
not indicate a lack of market confidence in the issue. Neither 
the Sponsor nor the Trustee shall be liable in any way for any 
default, failure or defect in any of the Securities.

The Portfolio of the Trust may contain Securities which were acquired 
at a market premium. Such Securities trade at more than par value 
because the interest coupons thereon are higher than interest 
coupons on comparable debt securities being issued at currently 
prevailing interest rates. If such interest rates for newly issued 
and otherwise comparable securities decrease, the market premium 
of previously issued securities will be increased, and if such 
interest rates for newly issued comparable securities increase, 
the market premium of previously issued securities will be reduced, 
other things being equal. The current returns of securities trading 
at a market premium are initially higher than the current returns 
of comparably rated debt securities of a similar type issued at 
currently prevailing interest rates because premium securities 
tend to decrease in market value as they approach maturity when 
the face amount becomes payable. Because part of the purchase 
price is thus returned not at maturity but through current income 
payments, early redemption of a premium security at par or early 
prepayments of principal will result in a reduction in yield. 
Prepayments of principal on securities purchased at a market premium 
are more likely than prepayments on securities purchased at par 
or at a market discount and the level of prepayments will generally 
increase if interest rates decline. Market premium attributable 
to interest changes does not indicate market confidence in the 
issue.

The contracts to purchase Securities delivered to the Trustee 
represent an obligation by issuers or dealers to deliver Securities 
to the Sponsor for deposit in the Trust. Contracts are typically 
settled and the Securities delivered within a few business days 
subsequent to the Initial Date of Deposit. The percentage of the 
aggregate principal amount of the Securities, if any, relating 
to "when, as and if issued" Securities or other Securities with 
delivery dates after the date of settlement for a purchase made 
on the Initial Date of Deposit is indicated in the Portfolio. 
Interest on "when, as and if issued" and delayed delivery Securities 
begins accruing to the benefit of Unit holders on their dates 
of delivery. Because "when, as and if issued" Securities have 
not yet been issued, as of the Initial Date of Deposit the Trust 
is subject to the risk that the issuers thereof might decide not 
to proceed with the offering of such Securities or that the delivery 
of such Securities or the delayed delivery Securities may be delayed. 
If such Securities, or replacement securities described below, 
are not acquired by the Trust or if their delivery is delayed, 
the Estimated Returns shown in the "Special Information" may be 
reduced.

In the event of a failure to deliver any Securities that have 
been purchased for a Series of the Trust under a contract ("Failed 
Securities"), the Sponsor is authorized under the Indenture to 
direct the Trustee to acquire other specified securities ("Replacement 
Securities") to make up the original corpus of the Series of the 
Trust. The Replacement Securities must be purchased within 20 
days after delivery of the notice of the failed contract and the 
purchase price (exclusive of accrued interest) may not exceed 
the amount of funds reserved for the purchase of the Failed Securities. 
The Replacement Securities (i) must satisfy the criteria previously 
described for Securities originally included in a Series of the 
Trust, (ii) must maintain as far as practicable the original percentage 
relationship between the principal amounts of Ginnie Maes of specified 
interest rates and years of maturities in the Portfolio, and (iii) 
shall not be "when, as and if issued" securities. Precise duplication 
of Failed Securities may not be possible because fractions of 
Ginnie Maes may not be purchased, but duplication will be the 
goal of the Sponsor with respect to Replacement Securities. Whenever 
Replacement Securities have been acquired for a Series of the 
Trust, the Trustee shall, within five days thereafter, notify 
all Unit holders of such Series of the Trust of the acquisition 
of the Replacement Securities and shall, on the next monthly distribution 
date which is more than 30 days thereafter, make a pro rata distribution 
of the amount, if any, by which the cost to the affected Series 
of the Trust of the Failed Securities exceeded the cost of the 
Replacement Securities plus accrued interest. Except as provided 
below, once the original corpus of the Trust is acquired, the 
Trustee will have no power to vary the investment of a Series 
of the


Page 6

Trust, i.e., the Trustee will have no managerial power to take 
advantage of market variations to improve a Unit holder's investment.

If the right of limited substitution described in the preceding 
paragraph shall not be utilized to acquire Replacement Securities 
in the event of a failed contract, the Sponsor shall refund the 
sales charge attributable to such failed contract pro rata to 
all Unit holders, and the principal and accrued interest (at the 
coupon rate of the relevant Securities to the date the Sponsor 
is notified of the failure) attributable to such failed contract 
shall be distributed not more than thirty days after the determination 
of such failure or at such earlier time as the Trustee in its 
sole discretion deems to be in the interest of the Unit holders. 
Unit holders should be aware that at the time of the receipt of 
such refunded principal they may not be able to reinvest such 
principal in other securities at a yield equal to or in excess 
of the yield which such principal would have earned to Unit holders 
had the Failed Securities been delivered to a Series of the Trust.

The Sponsor may, from time to time, deposit additional Ginnie 
Maes in Series 68 of the Trust (while additional Units are to 
be offered to the public) maintaining, as closely as practicable, 
the original percentage relationship between the principal amounts 
of Ginnie Maes of specified interest rates and years of maturities 
in the Portfolio of such Series.

During the Reinvestment Period, the Sponsor will direct the Trustee 
to reinvest principal payments and prepayments into additional 
securities. Precise duplication of the Ginnie Maes to be purchased 
with reinvested principal may not be possible because fractions 
of Ginnie Maes may not be purchased and substantially similar 
securities may not be available, but duplication will be the goal 
of the Sponsor with respect to the purchase of additional securities. 
Principal amounts which cannot be reinvested will be distributed 
to Unit holders semiannually unless the amount available for distribution 
is less than $1.00 per 1,000 Units. After the Reinvestment Period, 
principal will not be reinvested and will be distributed monthly 
to Unit holders. See "How are Interest and Principal Distributed?"

THE MORTGAGES UNDERLYING A GINNIE MAE MAY BE PREPAID AT ANY TIME 
WITHOUT PENALTY. A LOWER OR HIGHER CURRENT RETURN ON UNITS MAY 
OCCUR DEPENDING ON (I) WHETHER THE PRICE AT WHICH THE RESPECTIVE 
GINNIE MAES WERE ACQUIRED BY A SERIES OF THE TRUST IS LOWER OR 
HIGHER THAN PAR, (II) WHETHER PRINCIPAL IS REINVESTED OR DISTRIBUTED 
TO UNIT HOLDERS AND (III) IF REINVESTMENT OCCURS, WHETHER THE 
GINNIE MAES PURCHASED BY THE TRUSTEE WITH REINVESTED PRINCIPAL 
ARE PURCHASED AT A PREMIUM OR DISCOUNT FROM PAR. DURING PERIODS 
OF DECLINING INTEREST RATES, PREPAYMENTS OF GINNIE MAES MAY OCCUR 
WITH INCREASING FREQUENCY BECAUSE, AMONG OTHER REASONS, MORTGAGORS 
MAY BE ABLE TO REFINANCE THEIR OUTSTANDING MORTGAGES AT LOWER 
INTEREST RATES. IN SUCH A CASE, (I) THE REINVESTMENT OF PRINCIPAL 
MAY BE AT PRICES WHICH RESULT IN A LOWER RETURN ON UNITS OR (II) 
PRINCIPAL WILL BE DISTRIBUTED TO UNIT HOLDERS WHO CANNOT REINVEST 
SUCH PRINCIPAL DISTRIBUTIONS IN OTHER SECURITIES AT AN ATTRACTIVE 
YIELD.

Each Unit initially offered represents the fractional undivided 
interest in a Series of the Trust set forth in the "Summary of 
Essential Information." To the extent that any Units are redeemed 
by the Trustee, the fractional undivided interest in a Series 
of the Trust represented by each unredeemed Unit will increase, 
although the actual interest in such Series represented by such 
fraction will remain substantially unchanged. However, if additional 
Units are issued by Series 68 of the Trust (in connection with 
the deposit by the Sponsor of additional Securities), the aggregate 
value of Securities in such Series of the Trust will be increased 
by amounts allocable to additional Units, and the fractional undivided 
interest represented by each Unit in the balance will be decreased. 
Units will remain outstanding until redeemed upon tender to the 
Trustee by any Unit holder, which may include the Sponsor, or 
until the termination of the Indenture.

Description of Securities. The Ginnie Maes included in the Trust 
are backed by the indebtedness secured by underlying mortgage 
pools of up to 30 year mortgages in the case of Series 68 of the 
Trust on 1- to 4-family dwellings. The pool of mortgages which 
is to underlie a particular new issue of Ginnie Maes is assembled 
by the proposed issuer of such Ginnie Maes. The issuer is typically 
a mortgage banking firm, and in every instance must be a mortgagee 
approved by and in good standing with the Federal Housing Administration 
("FHA"). In addition, GNMA imposes its own criteria on the eligibility 
of issuers, including a net worth requirement.


Page 7

The mortgages which are to comprise a new Ginnie Mae pool may 
have been originated by the issuer itself in its capacity as a 
mortgage lender or may be acquired by the issuer from a third 
party, such as another mortgage banker, a banking institution, 
the Veterans Administration ("VA")(which in certain instances 
acts as a direct lender and thus originates its own mortgages) 
or one of several other governmental agencies. All mortgages in 
any given pool will be insured under the National Housing Act, 
as amended ("FHA-insured"), or Title V of the Housing Act of 1949 
("FMHA Insured") or guaranteed under the Servicemen's Readjustment 
Act of 1944, as amended, or Chapter 37 of Title 38, U.S.C. ("VA-guaranteed"). 
Such mortgages will have a date for the first scheduled monthly 
payment of principal that is not more than one year prior to the 
date on which GNMA issues its guaranty commitment as described 
below, will have comparable interest rates and maturity dates, 
and will meet additional criteria of GNMA. All mortgages in the 
pools backing the Ginnie Maes contained in the Trust are mortgages 
on 1- to 4-family dwellings (having a stated maturity of up to 
30 years for Securities in Series 68 of the Trust but an estimated 
average life of considerably less as set forth in "Special Information"). 
In general, the mortgages in these pools provide for equal monthly 
payments over the life of the mortgage (aside from prepayments) 
designed to repay the principal of the mortgage over such period, 
together with interest at the fixed rate on the unpaid balance.

To obtain GNMA approval of a new pool of mortgages, the issuer 
will file with GNMA an application containing information concerning 
itself, describing generally the pooled mortgages, and requesting 
that GNMA approve the issue and issue its commitment (subject 
to GNMA's satisfaction with the mortgage documents and other relevant 
documentation) to guarantee the timely payment of principal of 
and interest on the Ginnie Maes to be issued by the issuer. If 
the application is in order, GNMA will issue its commitment and 
will assign a GNMA pool number to the pool. Upon completion of 
the required documentation (including detailed information as 
to the underlying mortgages, a custodial agreement with a Federal 
or state regulated financial institution satisfactory to GNMA 
pursuant to which the underlying mortgages will be held in safekeeping, 
and a detailed guaranty agreement between GNMA and the issuer), 
the issuance of the Ginnie Maes is permitted. When the Ginnie 
Maes are issued, GNMA will endorse its guarantee thereon. The 
aggregate principal amount of Ginnie Maes issued will be equal 
to the then aggregate unpaid principal balances of the pooled 
mortgages. The interest rate borne by the Ginnie Maes is currently 
fixed at 1/2 of 1% below the interest rate of the pooled 1- to 
4-family mortgages, the differential being applied to the payment 
of servicing and custodial charges as well as GNMA's guaranty 
fee.

Ginnie Mae IIs consist of jumbo pools of mortgages from more than 
one issuer. By allowing pools to consist of multiple issuers, 
it allows for larger and more geographically diverse pools. Unlike 
Ginnie Mae I's which have a minimum pool size of $1 million, Ginnie 
Mae II's have a minimum pool size of $7 million. In addition, 
the interest rates on the mortgages within the Ginnie Mae II pools 
will vary unlike the mortgages within pools in Ginnie Mae I's 
which all have the same rate. The rates on the mortgages will 
vary from 50 basis points to 150 basis points above the coupon 
rate on the GNMA bond. This 50-150 basis point spread is allowed 
for servicing and custodial fees as well as the GNMA's guaranty 
fee. The major advantage of Ginnie Mae IIs lies in the fact that 
a central paying agent sends one check to the holder on the required 
payment date. This greatly simplifies the current procedure of 
collecting distributions from each issuer of a Ginnie Mae, since 
such distributions are often received late.

All of the Ginnie Maes in the Trust, including the Ginnie Mae 
IIs, are of the "fully modified pass-through" type, i.e., they 
provide for timely monthly payments to the registered holders 
thereof (including the Trust) of their pro rata share of the scheduled 
principal payments on the underlying mortgages, whether or not 
collected by the issuers, including, on a pro rata basis, any 
prepayments of principal of such mortgages received and interest 
(net of the servicing and other charges described above) on the 
aggregate unpaid principal balance of such Ginnie Maes, whether 
or not the interest on the underlying mortgages has been collected 
by the issuers.

The Ginnie Maes in the Trust are guaranteed as to timely payment 
of principal and interest by GNMA. Funds received by the issuers 
on account of the mortgages backing the Ginnie Maes in the Trust 
are intended


Page 8

to be sufficient to make the required payments of principal of 
and interest on such Ginnie Maes but, if such funds are insufficient 
for that purpose, the guaranty agreements between the issuers 
and GNMA require the issuers to make advances sufficient for such 
payments. If the issuers fail to make such payments, GNMA will 
do so.

GNMA is authorized by Section 306(g) of Title III of the National 
Housing Act to guarantee the timely payment of and interest on 
securities which are based on or backed by a trust or pool composed 
of mortgages insured by FHA, the Farmers' Home Administration 
("FMHA") or guaranteed by the VA. Section 306(g) provides further 
that the full faith and credit of the United States is pledged 
to the payment of all amounts which may be required to be paid 
under any guaranty under such subsection. An opinion of an Assistant 
Attorney General of the United States, dated December 9, 1969, 
states that such guaranties "constitute general obligations of 
the United States backed by its full faith and credit."*

*  Any statement in this Prospectus that a particular security 
is backed by the full faith and credit of the United States is 
based upon the opinion of an Assistant Attorney General of the 
United States and should be so construed.

GNMA is empowered to borrow from the United States Treasury to 
the extent necessary to make any payments of principal and interest 
required under such guaranties.

Ginnie Maes are backed by the aggregate indebtedness secured by 
the underlying FHA-insured, FMHA-insured or VA-guaranteed mortgages 
and, except to the extent of funds received by the issuers on 
account of such mortgages, Ginnie Maes do not constitute a liability 
of nor evidence any recourse against such issuers, but recourse 
thereon is solely against GNMA. Holders of Ginnie Maes (such as 
the Trust) have no security interest in or lien on the underlying 
mortgages.

The GNMA guaranties referred to herein relate only to payment 
of principal of and interest on the Ginnie Maes in the Trust and 
not to the Units offered hereby.

Monthly payments of principal will be made, and additional prepayments 
of principal may be made, to the Trust in respect of the mortgages 
underlying the Ginnie Maes in the Trust. All of the mortgages 
in the pools relating to the Ginnie Maes in the Portfolio of the 
Trust are subject to prepayment without any significant premium 
or penalty at the option of the mortgagors. While the mortgages 
on 1- to 4-family dwellings underlying the Ginnie Maes have a 
stated maturity of up to 30 years for Series 68 of the Trust, 
it has been the experience of the mortgage industry that the average 
life of comparable mortgages, owing to prepayments, refinancings 
and payments from foreclosures, is considerably less. See "Special 
Information."

In the mid 1970s published yield tables for Ginnie Maes utilized 
a 12 year average life assumption for Ginnie Mae pools of 26-30 
year mortgages on 1- to 4-family dwellings. This assumption was 
derived from the FHA experience relating to prepayments on such 
mortgages during the period from the mid 1950s to the mid 1970s. 
This 12 year average life assumption was calculated in respect 
of a period during which mortgage lending rates were fairly stable. 
THE ASSUMPTION IS NO LONGER AN ACCURATE MEASURE OF THE AVERAGE 
LIFE OF GINNIE MAES OR THEIR UNDERLYING SINGLE FAMILY MORTGAGE 
POOLS. RECENTLY IT HAS BEEN OBSERVED THAT MORTGAGES ISSUED AT 
HIGH INTEREST RATES HAVE EXPERIENCED ACCELERATED PREPAYMENT RATES	
WHICH WOULD INDICATE A SIGNIFICANTLY SHORTER AVERAGE LIFE THAN 
12 YEARS. TODAY, RESEARCH ANALYSTS USE COMPLEX FORMULAE TO SCRUTINIZE
THE PREPAYMENTS OF MORTGAGE POOLS IN AN ATTEMPT TO PREDICT MORE  
ACCURATELY THE AVERAGE LIFE OF GINNIE MAES. THE BASES FOR THE 
CALCULATION OF THE ESTIMATED AVERAGE LIFE OF THE SECURITIES IN  
A SERIES OF THE TRUST AND OTHER RELATED MATTERS IS SET FORTH IN 
"WHAT ARE ESTIMATED CURRENT RETURN AND ESTIMATED LONG-TERM RETURN?" 

A number of factors, including homeowner's mobility, change in 
family size and mortgage market interest rates will affect the 
average life of the Ginnie Maes in the Portfolio. For example, 
Ginnie Maes issued during a period of high interest rates will 
be backed by a pool of mortgage loans bearing similarly high rates. 
In general, during a period of declining interest rates, new mortgage 
loans with interest rates lower than those charged during periods 
of high rates will become available. To the extent a homeowner 
has an outstanding mortgage with a high rate, he may refinance 
his mortgage at a lower interest rate or he may rapidly repay


Page 9

his old mortgage. Should this happen, a Ginnie Mae issued with 
a high interest rate may experience a rapid prepayment of principal 
as the underlying mortgage loans prepay in whole or in part. Accordingly, 
there can be no assurance that the prepayment levels which will 
be actually realized will conform to the estimates or experience 
of the FHA, other mortgage lenders, dealers or market makers or 
other Ginnie Mae investors. It is not possible to meaningfully 
predict prepayment levels regarding the Ginnie Maes in the Trust. 
Even though the reinvestment of principal may mitigate the effects 
of prepayments of principal, the termination of the Trust might 
be accelerated as a result of prepayments made as described herein.

In addition to prepayments which cannot be reinvested by the Trustee, 
sales of Securities of a Series of the Trust under certain permitted 
circumstances may result in an accelerated termination of such 
Series of the Trust. Also, it is possible that, in the absence 
of a secondary market for the Units or otherwise, redemptions 
of Units may occur in sufficient numbers to reduce a Series of 
the Trust to a size resulting in such termination. Early termination 
of such Series of the Trust may have important consequences to 
the Unit holder, e.g., to the extent that Units were purchased 
with a view to an investment of longer duration, the overall investment 
program of the investor may require readjustment; or the overall 
return on investment may be less or greater than anticipated, 
depending in part on whether the purchase price paid for Units 
represented the payment of an overall premium or a discount, respectively, 
above or below the stated principal amounts of the underlying 
mortgages. In addition, a capital gain or loss may result for 
tax purposes from termination of a Series of the Trust.

What is the Rating of the Units?

Standard & Poor's Corporation has rated Units of each Series of 
the Trust "AAA." This is the highest rating assigned by Standard 
& Poor's Corporation. See "Description of Standard & Poor's Corporation 
Rating." The obtaining of this rating by the Trust should not 
be construed as an approval of the offering of the Units by Standard 
& Poor's Corporation or as a guarantee of the market value of 
a Series of the Trust or the Units. Standard & Poor's Corporation 
has indicated that this rating is not a recommendation to buy, 
hold or sell Units nor does it take into account the extent to 
which expenses of a Series of the Trust or sales by the Trust 
of Securities for less than the purchase price paid by a Series 
of the Trust will reduce payment to Unit holders of the interest 
and principal required to be paid on such Securities. There is 
no guarantee that the "AAA" investment rating with respect to 
the Units will be maintained. Standard & Poor's Corporation will 
be compensated by the Sponsor for its services in rating Units 
of a Series of the Trust.

What are Estimated Current Return and Estimated Long-Term Return?

Debt securities are customarily offered to investors on a "yield 
price" basis (as contrasted to a "dollar price" basis) at the 
lesser of the price as computed to maturity of such debt security 
or to an earlier redemption date. Since Units of each Series of 
the Trust are offered on a dollar price basis, the estimated rate 
of return on an investment in Units of a Series of the Trust is 
stated in terms of "Estimated Current Return and Estimated Long-Term 
Return." 

At the opening of business on the Initial Date of Deposit, the 
Estimated Current Return (if applicable) and the Estimated Long-Term 
Return for each Series is as set forth in the "Special Information" 
herein. Estimated Current Return is computed by multiplying the 
Estimated Net Annual Interest Rate per 1,000 Units by $1,000 and 
dividing the result by the Public Offering Price per 1,000 Units. 
The Estimated Net Annual Interest Rate per Unit will vary with 
changes in fees and expenses of the Trustee and the Evaluator 
and with the principal prepayment, reinvestment of principal, 
redemption, maturity, exchange or sale of Securities while the 
Public Offering Price will vary with changes in the offering price 
of the underlying Securities; therefore, there is no assurance 
that the present Estimated Current Return will be realized in 
the future. Estimated Current Return does not take into account 
timing of distributions of income and other amounts (including 
delays in distribution to Unit Holders), and it only partially 
reflects the effects of premiums paid and discounts realized in 
the purchase price of Units. 

Unlike Estimated Current Return, Estimated Long-Term Return is 
a measure of the estimated return to the investor earned over 
the estimated life of a Series of the Trust. The Estimated Long-Term 
Return represents


Page 10

an average of the yields to estimated average life of the Securities 
in a Series of the Trust and adjusted to reflect expenses and 
sales charges. The estimated long-term return figure is calculated 
using an estimated average life for the Securities as set forth 
in "Special Information" herein. Estimated average life is an 
essential factor in the calculation of Estimated Long-Term Return. 
When a Series of the Trust has a shorter average life than is 
estimated, Estimated Long-Term Return will be higher if a Series 
of the Trust contains Securities priced at a discount and lower 
if the Securities are priced at a premium. Conversely, when a 
Series of the Trust has a longer average life than is estimated, 
Estimated Long-Term Return will be lower if the Securities are 
priced at a discount and higher if the Securities are priced at 
a premium. In order to calculate estimated average life, an estimated 
prepayment rate for the remaining term of the mortgage pool must 
be determined. Each of the primary market makers in GNMA securities 
has sophisticated computer models which are used to determine 
the estimated prepayment rate for GNMA securities. Each computer 
model takes into account a number of factors and assumptions including: 
actual prepayment data reported by GNMA for recent periods on 
a particular pool, the impact of aging on the prepayment of mortgage 
pools, the current interest rate environment, the coupon, the 
housing environment, historical trends on GNMA securities as a 
group, geographical factors and general economic trends. Because 
of differences in the weighting of such factors and assumptions 
such computer models maintained by the market makers in GNMA securities 
produce estimated prepayment rates which vary. In connection with 
the deposit of Securities in a Series of the Trust, the Sponsor, 
in determining an estimated prepayment rate, has utilized information 
provided by a market maker in GNMA securities which it believes 
to be reliable. However, it is possible that another computer 
model might provide an estimated prepayment rate which would prove 
over the life of the Securities to be more accurate. Once an appropriate 
estimated prepayment rate is ascertained, an estimated average 
life is calculated. The estimated average life for a Series of 
the Trust provided in "Special Information" herein is subject 
to change with alterations in the data used in any of the underlying 
assumptions and assumes that principal payments and prepayments 
will be reinvested into similar securities. The actual average 
lives of the Securities and the actual long term returns will 
be different from the estimated average lives and the estimated 
long term returns. In calculating Estimated Long-Term Return, 
the average yield for the Portfolio is derived by weighting each 
Security's yield by the market value of the Security and by the 
amount of time remaining to the estimated average life. Once the 
average yield on the Securities of a Series in the Trust is computed, 
this figure is then adjusted for estimated expenses and the effect 
of the maximum sales charge paid by investors. The Estimated Long-Term 
Return calculation does not take into account certain delays in 
distributions of income and the timing of other receipts and distributions 
on Units and may, depending on maturities, over or understate 
the impact of sales charges. Both of these factors may result 
in a lower return.

Both Estimated Current Return (if applicable) and Estimated Long-Term 
Return are subject to fluctuation with changes in the compositions 
of the Portfolio of a Series of the Trust, principal payments 
and prepayments and changes in market value of the underlying 
Securities, reinvestment of principal payments and prepayments 
into additional Securities and changes in fees and expenses, including 
sales charges, and therefore can be materially different than 
the figures set forth in "Special Information" herein. In addition, 
return figures may not be directly comparable to yield figures 
used to measure other investments, and since return figures are 
based on certain assumptions and variables, the actual returns 
received by a Unit holder may be higher or lower. Estimated cash 
flows for the Trust are available without charge to any potential 
investor making an oral or written request to the Sponsor.

Payments received in respect of the mortgages underlying the Ginnie 
Maes in a Series of the Trust will consist of a portion representing 
interest and a portion representing principal. Although the aggregate 
monthly payment made by the obligor on each mortgage remains constant 
(aside from optional prepayments of principal), in the early years 
most of each such payment will represent interest, while in later 
years, the proportion representing interest will decline and the 
proportion representing principal will increase. However, by reason 
of optional prepayments, principal payments in the earlier years 
on the mortgages underlying the Ginnie Maes may be substantially 
in excess of those required by the amortization schedules of


Page 11

such mortgages. Therefore, in the absence of reinvestment, principal 
payments in later years would be substantially less since the 
aggregate unpaid principal balances of such underlying mortgages 
would have been greatly reduced. To the extent that the underlying 
mortgages bearing higher interest rates in a Series of the Trust 
are prepaid faster than the other underlying mortgages, the Net 
Annual Interest Rate per Unit and the Estimated Returns on the 
Units with respect to such Series may decline whether or not the 
Trustee is able to reinvest principal. Monthly payments to the 
Unit holders will reflect all of the foregoing factors.

In order to acquire certain of the Securities contracted for by 
the Sponsor for deposit in a Series of the Trust, it may be necessary 
to pay on the settlement dates for delivery of such Securities 
amounts covering accrued interest on such Securities which exceed 
the amounts furnished by the Sponsor. The Trustee has agreed to 
pay for any amounts necessary to cover any such excess and will 
be reimbursed therefor, without interest, when funds become available 
from interest payments on the particular Securities with respect 
to which such payments have been made.

Record Dates for monthly distributions of interest are the first 
day of each month and the Distribution Dates for distributions 
will be on or shortly after the first day of the succeeding month 
(except for the distribution which would be made on January 1 
which instead will be made on or before December 31).

How is Accrued Interest Treated?

Accrued interest is the accumulation of unpaid interest on a security 
from the last day on which interest thereon was paid. Interest 
on Securities in each Series of the Trust is paid monthly to the 
Series. However, interest on the Securities in a Series of the 
Trust is accounted for daily on an accrual basis. Because of this, 
a Series of the Trust always has an amount of interest earned 
but not yet collected by the Trustee. For this reason, with respect 
to sales settling subsequent to the First Settlement Date the 
Public Offering Price of Units will have added to it the proportionate 
share of accrued and undistributed interest to the date of settlement. 
Unit holders will receive on the next distribution date of the 
Trust the amount, if any, of accrued interest paid on their Units.

In an effort to reduce the amount of accrued interest which would 
otherwise have to be paid in addition to the Public Offering Price 
in the sale of Units to the public, the Trustee will advance the 
amount of accrued interest as of the First Settlement Date and 
the same will be distributed to the Sponsor as the Unit holder 
of record as of the First Settlement Date. Consequently, the amount 
of accrued interest to be added to the Public Offering Price of 
Units will include only accrued interest from the First Settlement 
Date to the date of settlement of Units purchased, less any distributions 
from the Interest Account subsequent to the First Settlement Date. 
See "Rights of Unit Holders-How are Interest and Principal Distributed?"

Except through an advancement of its own funds, the Trustee has 
no cash for distribution to Unit holders until it receives interest 
payments on the Securities in a Series of the Trust. The Trustee 
will recover its advancements without interest or other costs 
to a Series of the Trust from interest received on the Securities 
in such Series of the Trust. When these advancements have been 
recovered, regular distributions of interest to Unit holders will 
commence (see "Rights of Unit Holders-How are Interest and Principal 
Distributed?").

Because of the varying interest payment dates of the Securities, 
accrued interest at any point in time will be greater than the 
amount of interest actually received by a Series of the Trust 
and distributed to Unit holders. If a Unit holder sells or redeems 
all or a portion of his Units, he will be entitled to receive 
his proportionate share of the accrued interest from the purchaser 
of his Units. Since the Trustee has the use of the interest held 
in the Interest Account for distributions to Unit holders and 
since such Account is non-interest bearing to Unit holders, the 
Trustee benefits thereby. See "Public Offering-How Is the Public 
Offering Price Determined?" for information with respect to the 
uncertainty during certain periods of each month of the precise 
amount of accrued interest of the Ginnie Maes.

What are the 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 
the initial preparation, printing and execution of the Indenture 
and the certificates for the Units, legal, accounting and other 
out-of-pocket expenses. The Sponsor will not receive any fees 
in connection


Page 12

with its activities relating to the Trust except that it may receive 
brokerage commissions in connection with the acquisition of Securities 
by the Trustee with reinvested principal. It is currently contemplated 
that the Trustee will acquire such Securities in principal transactions 
directly from dealers and that no brokerage fees will be paid. 
However, First Trust Advisors L.P., an affiliate of the Sponsor, 
will receive an annual supervisory fee, which is not to exceed 
the amount set forth under "Summary of Essential Information," 
for providing portfolio supervisory services for the Trust. The 
fee may exceed the actual costs of providing such supervisory 
services for this Trust, but at no time will the total amount 
received for portfolio supervisory services rendered to unit investment 
trusts of which Nike Securities L.P. is the Sponsor in any calendar 
year exceed the aggregate cost to First Trust Advisors L.P. of 
supplying such services in such year.

For purposes of evaluation of the Securities in a Series of the 
Trust, the Evaluator will receive a fee as indicated in "Summary 
of Essential Information." The Trustee pays certain expenses of 
a Series of the Trust for which it is reimbursed by such Series 
of the Trust. The Trustee will receive for its ordinary recurring 
services to each Series of the Trust an annual fee computed at 
$.    per annum per 1,000 Units outstanding of underlying Securities. 
For a discussion of the services performed by the Trustee pursuant 
to its obligations under the Indentures, reference is made to 
the material set forth under "Rights of Unit Holders." The Trustee's 
and Evaluator's fees are payable monthly on or before each Distribution 
Date from the Interest Account to the extent funds are available 
and then from the Principal Account. Since the Trustee has the 
use of the funds being held in the Principal and Interest Accounts 
for future distributions, payment of expenses and redemptions 
and since such Accounts are non-interest bearing to Unit holders, 
the Trustee benefits thereby. Part of the Trustee's compensation 
for its services to the Trust is expected to result from the use 
of these funds. Both fees may be increased without approval of 
the Unit holders by amounts not exceeding proportionate increases 
under the category "All Services Less Rent of Shelter" in the 
Consumer Price Index published by the United States Department 
of Labor.

The following additional charges with respect to a Series of the 
Trust are or may be incurred by a Series of the Trust: all expenses 
(including legal, annual auditing expenses and the costs of acquiring 
Securities with reinvested principal) of the Trustee incurred 
in connection with its responsibilities under the Indentures, 
except in the event of negligence, bad faith or willful misconduct 
on its part; the expenses and costs of any action undertaken by 
the Trustee to protect a Series of the Trust and the rights and 
interests of the Unit holders; fees of the Trustee for any extraordinary 
services performed under the Indenture; indemnification of the 
Trustee for any loss, liability or expense incurred by it without 
negligence, bad faith or willful misconduct on its part, arising 
out of or in connections with its acceptance or administration 
of a Series of the Trust; indemnification of the Sponsor for any 
loss, liability or expense incurred without gross negligence, 
bad faith or willful misconduct in acting as Depositor of the 
Trust; all taxes and other government charges imposed upon the 
Securities or any part of a Series of the Trust (no such taxes 
or charges are being levied or made upon termination of a Series 
of the Trust. The above expenses and the Trustee's annual fee, 
when paid or owing to the Trustee, are secured by a lien on each 
Series of the Trust. In addition, the Trustee is empowered to 
sell Securities in order to make funds available to pay all these 
amounts if funds are not otherwise available in the Interest and 
Principal Accounts. Due to the minimum principal amount in which 
Securities may be required to be sold, the proceeds of such sales 
may exceed the amount necessary for the payment of such fees and 
expenses.

Unless the Sponsor determines that such an audit is not required, 
the Indenture requires the accounts of a Series of the Trust shall 
be audited on an annual basis at the expense of such Series by 
independent auditors selected by the Sponsor. So long as the Sponsor 
is making a secondary market for Units, the Sponsor shall bear 
the cost of such annual audits to the extent such cost exceeds 
$.50 per 1,000 Units. Unit holders of a Series of the Trust covered 
by an audit may obtain a copy of the audited financial statements 
from the Trustee upon request.


Page 13

What is the Tax Status of Unit Holders?

Series 68 of the Trust, which is an association taxable as a corporation 
under the Internal Revenue Code, intends to qualify for and elect 
tax treatment as a regulated investment company under the Internal 
Revenue Code of 1986, as amended (the "Code"). By qualifying for 
and electing such treatment, Series 68 of the Trust will not be 
subject to Federal income tax on taxable income or net capital 
gains distributed to Unit holders. Under the Code, an excise tax 
is imposed on a Series of the Trust to the extent such Series 
fails to timely distribute specified percentages of the Trust's 
net investment income and capital gain net income. Series 68 of 
the Trust intends to timely distribute taxable income and capital 
gains to avoid the imposition of such tax.

Series 68 of the Trust intends to file its Federal income tax 
return on a calendar year basis. In any taxable year of Series 
68 of the Trust, the distributions of the Series' income, other 
than distributions which are designated as capital gain dividends, 
will constitute dividends taxable as ordinary income to the Unit 
holders to the extent that the amount of such distributions do 
not exceed the current and accumulated earnings and profits of 
Series 68 of the Trust. Distributions will not be eligible for 
the dividends received deduction for corporations. Under the Code, 
certain miscellaneous itemized deductions, such as investment 
expenses, tax return preparation fees and employee business expenses, 
will be deductible by individuals only to the extent they exceed 
2% of adjusted gross income. Miscellaneous itemized deductions 
subject to this limitation under present law do not include expenses 
incurred by the Trust as long as the Units of a Series in a trust 
are held by or for 500 or more persons at all times during the 
taxable year. In the event the Units of a Series in a Trust are 
held by fewer than 500 persons, additional taxable income will 
be realized by the individual Unit holders in excess of the distributions 
received from the Trust. 

Distributions by Series 68 of the Trust that are designated by 
it as capital gain dividends will be taxable to Unit holders as 
long-term capital gains, regardless of the length of time the 
Units have been held by a Unit holder. However, if a Unit holder 
receives a long-term capital gain dividend (or is allocated a 
portion of the Trust's undistributed long-term capital gain) and 
sells his Units at a loss prior to holding them for 6 months, 
such loss will be recharacterized as long-term capital loss to 
the extent of such long-term capital gain received as a dividend 
or allocated to a Unit holder. Distributions in partial liquidation 
reflecting the proceeds of prepayments, redemptions, maturities 
(including monthly mortgage payments of principal) or sales of 
Securities (exclusive of net capital gain) will not be taxable 
to Unit holders to the extent that they represent a return of 
capital for tax purposes. The portion of distributions which represents 
a return of capital will, however, reduce a Unit holder's basis 
in his Units, and to the extent they exceed the basis of his Units 
will be taxable as a capital gain. A Unit holder will realize 
a taxable gain or loss when his Units are sold or redeemed for 
an amount different from his original cost after reduction for 
previous distributions to the extent that they represented a return 
of capital. Provided that Units constitute capital assets in the 
hands of a Unit holder, such gain or loss will constitute either 
a long-term or short-term capital gain or loss depending upon 
the length of time the Unit holder has held his Units. For taxpayers 
other than corporations, net capital gains are presently subject 
to a maximum stated marginal tax rate of 28 percent.

If a Ginnie Mae has been purchased by Series 68 of the Trust at 
a market discount (i.e., for a purchase price less than its outstanding 
principal amount), a portion of each payment of principal on the 
Ginnie Mae will constitute ordinary income to Series 68 of the 
Trust to the extent of any accrued market discount. In the case 
of a Ginnie Mae, the amount of market discount that is deemed 
to accrue each month shall generally be the amount of discount 
that bears the same ratio to the total amount of remaining market 
discount that the amount of interest paid during the accrual period 
(each month) bears to the total amount of interest remaining to 
be paid on the Ginnie Mae as of the beginning of the accrual period.

Each Unit holder of Series 68 of the Trust shall receive an annual 
statement describing the tax status of the distributions paid 
by Series 68 of the Trust.

Investment in Series 68 of the Trust may be particularly well 
suited for purchase by funds and accounts of individual investors 
that are exempt from Federal income taxes such as Individual Retirement 
Accounts, Keogh


Page 14

Plans, pension funds and other tax-deferred retirement plans. 
(See "Why are Investments in a Series of the Trust Suitable for 
Retirement Plans?")

The foregoing discussions relate only to Federal income taxes 
on distributions by the Trust; such distributions may also be 
subject to state and local taxation. Unit holders should consult 
their own tax advisers regarding questions of state and local 
taxation applicable to the Units. Foreign holders should consult 
their own tax advisers with respect to United States Federal income 
tax consequences of ownership of Units.

It should be remembered that even if distributions are reinvested 
through the Distribution Reinvestment Option they are still treated 
as distributions for income tax purposes (see "How Can Distributions 
to Unit Holders be Reinvested?").

Why are Investments in a Series of the Trust Suitable for Retirement 
Plans?

A Series of the Trust may be well suited for purchase by Individual 
Retirement Accounts, Keogh Plans, pension funds and other tax-deferred 
retirement plans. Generally, the Federal income tax relating to 
capital gains and income received in each of the foregoing plans 
is deferred until distributions are received. Distributions from 
such plans are generally treated as ordinary income but may, in 
some cases, be eligible for special averaging or tax-deferred 
rollover treatment. Investors considering participation in any 
such plan should review specific tax laws related thereto and 
should consult their attorneys or tax advisers with respect to 
the establishment and maintenance of any such plan. Such plans 
are offered by brokerage firms and other financial institutions. 
Fees and charges with respect to such plans may vary.

How Can Distributions to Unit Holders be Reinvested?

The Sponsor has entered into an arrangement with Oppenheimer Management 
Corporation which permits Unit holders of a Series of the Trust 
to elect to have each distribution of interest income or principal, 
including capital gains, or both, on their Units automatically 
reinvested in shares of Oppenheimer Government Securities Fund. 
Oppenheimer Management Corporation is the investment adviser of 
Oppenheimer Government Securities Fund. Oppenheimer Government 
Securities Fund which is an open-end, diversified management investment 
company. Oppenheimer Government Securities Fund seeks a high current 
return and safety of principal by investing principally in obligations 
issued or guaranteed by the U.S. Government or its agencies and 
instrumentalities, including GNMA mortgage-backed securities, 
as is considered consistent with the preservation of capital and 
maintenance of liquidity. The objectives and policies of Oppenheimer 
Government Securities Fund are presented in more detail in the 
prospectus pertaining to such Fund. 

Each person who purchases Units of a Series of the Trust may use 
the accompanying form to elect to become a participant in the 
Reinvestment Option with respect to Oppenheimer Government Securities 
Fund. After electing participation, each distribution of interest 
income, or principal, including capital gains, or both, on the 
participant's Units will automatically be applied by the Trustee 
to purchase shares (or fractions thereof) of Oppenheimer Government 
Securities Fund without a sales charge and with no minimum initial 
and subsequent investment requirements.

The transfer agent for Oppenheimer Government Securities Fund 
will mail to each participant in the Reinvestment Option confirmations 
of all transactions undertaken for such participant in connection 
with the receipt of distributions from The First Trust GNMA and 
the purchase of shares (or fractions thereof) of Oppenheimer Government 
Securities Fund.

A participant may at any time, by so notifying the Trustee in 
writing, elect to terminate his participation in the Reinvestment 
Option and receive future distributions on his Units in cash. 
There will be no charge or other penalty for such termination. 
The Sponsor and Oppenheimer Government Securities Fund all have 
the right to terminate the Reinvestment Option, in whole or in 
part.

It should be remembered that even if distributions are reinvested 
through the Reinvestment Option they are still treated as distributions 
for income tax purposes.

Unit holders of a Series of the Trust participating in IRAs, Keogh 
Plans, pension funds and other tax-deferred retirement plans may 
find it highly advantageous to participate in the Reinvestment 
Option in order


Page 15

to keep the monies in the account fully invested at all times. 
Should such option be selected, an account with an identical registration 
to that established at the time the Units of a Series of the Trust 
are purchased will be set up as selected by the investor. Investors 
should consult with their plan custodian as to the appropriate 
disposition of distributions. Unless participants in IRAs, Keogh 
Plans and other tax-deferred retirement plans elect the Reinvestment 
Option, cash distributions will be sent to the custodian of the 
retirement plan and will not be sent to the investor. See "Why 
are Investments in a Series of the Trust Suitable for Retirement 
Plans?"

                         PUBLIC OFFERING

How is the Public Offering Price Determined?

Units are offered at the Public Offering Price. During the initial 
offering period, the Public Offering Price is determined by adding 
to the Evaluator's determination of the aggregate offering price 
of the Securities in a Series of the Trust, including any money 
in the Principal Account other than money required to redeem tendered 
Units, an amount of 3.950% (equal to a sales charge of 3.80% of 
the Public Offering Price which is equivalent to 3.950% of the 
net amount invested) for Series 68 of the Trust. During the initial 
offering period, the Sponsor's Repurchase Price is equal to the 
Evaluator's determination of the aggregate offering price of the 
Securities in a Series of the Trust. For secondary market sales 
after the completion of the initial offering period, the Public 
Offering Price is based on the Evaluator's determination of the 
aggregate bid price of the Securities in a Series of the Trust, 
including any money in the Principal Account other than money 
required to redeem tendered Units, and also includes a sales charge 
of 4.0% of the Public Offering Price (which is equivalent to 4.167% 
of the net amount invested) for Series 68 of the Trust. Also added 
to the Public Offering Price is a proportionate share of interest 
accrued but unpaid on the Securities after the First Settlement 
Date to the date of settlement of Units (see "The First Trust 
GNMA-How is Accrued Interest Treated?").

The sales charge during the initial offering period is reduced 
by a discount as indicated below for volume purchases:

<TABLE>
<CAPTION>
                                Series 68 

                                        Discount                Dealer Concession
        Dollar Amount of                Expressed as a          Expressed as a
        Transaction at Public           Percentage of           Percentage of 
        Offering Price                  Public Offering Price   Public Offering Price
        _____________________           _____________________   _____________________
        <S>                             <C>                     <C>
        $100,000-$249,999                .25%                   2.50%
        $250,000-$499,999                .50%                   2.50%
        $500,000-$999,999                .75%                   2.70%
        $1,000,000 or more              1.50%                   2.70%
</TABLE>

An investor may aggregate purchases of Units of two consecutive 
similar series of a particular GNMA Trust for purposes of calculating 
the discount for volume purchases listed above. Additionally, 
with respect to the employees, officers and directors (including 
their immediate families and trustees, custodian or a fiduciary 
for the benefit of such person) of Nike Securities L.P. and its 
subsidiaries the sales charge is reduced by 2% of the Public Offering 
Price for purchases of Units during the initial and secondary 
offering periods.

Any such reduced sales charge, including pursuant to a Letter 
of Intent described below, shall be the responsibility of the 
selling Underwriter or dealer. For Series 68 of the Trust the 
Sponsor will pay Underwriters an additional concession of .10% 
for purchases between $100,000 and $499,999 and .20% for purchases 
over $500,000. This reduced sales charge structure will apply 
on all purchases of Units in the Trust by the same person on any 
one day from any one Underwriter or dealer. For purposes of calculating 
the applicable sales charge, purchases of Units in the Trust will 
not be aggregated with any other purchases by the same person 
of units in any series of tax-exempt or other unit investment 
trusts sponsored by Nike Securities L.P. Additionally, Units purchased 
in the name of the spouse of a purchaser or in the name of a child 
of such purchaser under 21 years of age will be deemed for the 
purposes of calculating the applicable sales


Page 16

charge to be additional purchases by the purchaser. The reduced 
sales charges will also be applicable to a trustee or other fiduciary 
purchasing securities for a single trust or single fiduciary account.

In addition, a purchaser desiring to purchase during a 12 month 
period $1,000,000 or more of series of The First Trust GNMA may 
qualify for a reduced sales charge by signing a nonbinding Letter 
of Intent. After signing a Letter of Intent, at the date total 
purchases, less redemptions, of units of series of The First Trust 
GNMA by a purchaser (including units purchased in the name of 
the spouse of a purchaser or in the name of a child of such purchaser 
under 21 years of age) exceed $1,000,000, the selling Underwriter 
or dealer will make a retroactive reduction of the sales charge 
on such units in the amount of 1.5% (reduced by any previous discount 
received on the units) of the Public Offering Price of the units. 
If a purchaser does not complete the required purchases under 
the Letter of Intent within the 12 month period, no such retroactive 
sales charge reduction shall be made. To qualify as a purchase 
under a Letter of Intent each purchase of units of The First Trust 
GNMA must equal or exceed $100,000.

On the Initial Date of Deposit, the Public Offering Price per 
1,000 Units with respect to each Series of the Trust is as indicated 
in the "Summary of Essential Information." In addition to fluctuations 
in the amount of interest accrued but unpaid on Securities in 
a Series of the Trust, the Public Offering Price at any time during 
the initial offering period will vary from the Public Offering 
Price stated herein in accordance with fluctuations in the prices 
of the underlying Securities.

The aggregate price of the Securities in a Series of the Trust 
is determined by Securities Evaluation Service, Inc. acting as 
evaluator (the "Evaluator") on the basis of bid prices or offering 
prices as is appropriate, (1) on the basis of current market prices 
for the Securities obtained from dealers or brokers who customarily 
deal in Securities comparable to those held by the Trust; (2) 
if such prices are not available for any of the Securities, on 
the basis of current market prices for comparable securities; 
(3) by determining the value of the Securities by appraisal; or 
(4) by any combination of the above.

There is a period of a few days (usually about five business days), 
beginning on the first day of each month, during which the total 
amount of payments (including prepayments, if any) of principal 
for the preceding month of the various mortgages underlying each 
of the Ginnie Maes in the Trust will not yet have been reported 
by the issuer to GNMA and made generally available to the public. 
During this period, the precise principal amount of the underlying 
mortgages remaining outstanding for each Ginnie Mae in the Trust, 
and therefore the precise principal amount of such Security, will 
not be known, although the precise principal amount outstanding 
for the preceding month will be known. Therefore, the precise 
amount of principal to be acquired by the Trustee as a holder 
of such Securities which will be reinvested into comparable securities 
will not be known. The Sponsor does not expect that the amounts 
of such prepayments and the differences in such principal amounts 
from month to month will be material in relation to each Series 
of the Trust due to the number of mortgages underlying each Ginnie 
Mae and the number of such Securities in each Series of the Trust. 
However, there can be no assurance that they will not be material. 
For purposes of the determination by the Evaluator of the offering 
prices and bid prices of the Ginnie Maes in each Series of the 
Trust and for purposes of calculations of accrued interest on 
the Units, during the period in each month prior to the time when 
the precise amounts of principal of the Ginnie Maes for the month 
become publicly available, the Evaluator will base its evaluations 
and calculations, which are the basis for calculations of the 
Public Offering Price, the Sponsor's Repurchase Price in the secondary 
market and the Redemption Price per Unit, upon the average monthly 
principal distribution for the preceding twelve month period. 
The Sponsor expects that the differences in such principal amounts 
from month to month will not be material to each Series of the 
Trust. Nevertheless, the Sponsor will adopt procedures as to pricing 
and evaluation for the Units of the Trust, with such modifications, 
if any, deemed necessary by the Sponsor for the protection of 
Unit holders, designed to minimize the impact of such differences 
upon the calculation of the accrued interest on the Units, the 
Public Offering Price per Unit, the Sponsor's Repurchase Price 
per Unit in the secondary market and the Redemption Price per 
Unit.


Page 17

During the initial public offering period, a determination of 
the aggregate price of the Securities in each Series of the Trust 
is made by the Evaluator on an offering price basis, as of the 
close of trading on the New York Stock Exchange on each day on 
which it is open, effective for all sales made subsequent to the 
last preceding determination. For secondary market purposes, the 
Evaluator will be requested to make such a determination, on a 
bid price basis, as of the close of trading on the New York Stock 
Exchange (4:00 p.m. Eastern time) on each day on which it is open, 
effective for all sales, purchases or redemptions made subsequent 
to the last preceding determination. No evaluation will be made, 
however, on any day on which the Ginnie Mae securities markets 
are not generally open for business.

The Public Offering Price of the Units during the initial offering 
period is equal to the offering price per Unit of the Securities 
in a Series of the Trust plus the applicable sales charge. After 
the completion of the initial offering period, the secondary market 
Public Offering Price will be equal to the bid price per Unit 
of the Securities in a Series of the Trust plus the applicable 
sales charge. The offering price of Securities in a Series of 
the Trust was greater than the bid price of such Securities on 
the Initial Date of Deposit by the aggregate amount and the amount 
per 1,000 Units indicated in the Portfolio.

Although payment is normally made five business days following 
the order for purchase, payment may be made prior thereto. Cash, 
if any, made available to the Sponsor prior to the date of settlement 
for the purchase of Units may be used in the Sponsor's business 
and may be deemed to be a benefit to the Sponsor, subject to the 
limitations of the Securities Exchange Act of 1934. Delivery of 
Certificates representing Units so ordered will be made five business 
days following such order or shortly thereafter. Initial transaction 
statements for Units held in uncertificated form representing 
Units so ordered will be issued to the registered owner of such 
Units within two business days of the issuance of such Units. 
See "Rights of Unit Holder-How May Units be Redeemed?" for information 
regarding the ability to redeem Units ordered for purchase.

How are Units Distributed?

With respect to Series 68 of the Trust during the initial offering 
period, Units issued on the Initial Date of Deposit and additional 
Units issued after such date in respect of additional Ginnie Maes 
deposited by the Sponsor, will be distributed to the public at 
the Public Offering Price. The initial offering period is 30 days 
with respect to Series 68 of the Trust. Such initial offering 
period may be extended by the Sponsor for up to five additional 
successive 30 day periods (i.e., until 180 days after the Initial 
Date of Deposit). Units of a Series reacquired by the Sponsor 
during the initial offering period may be resold at the then current 
Public Offering Price. Upon completion of the initial offering 
period with respect to all Series of the Trust, Units repurchased 
in the secondary market (see "Will There be a Secondary Market?") 
may be offered by this Prospectus at the secondary market public 
offering price determined in the manner described above.

It is the intention of the Sponsor to qualify Units of the Trust 
for sale in a number of states. Sales initially will be made to 
dealers and others at prices which represent a concession or agency 
commission of $25.00 per 1,000 Units on Series 68 of the Trust, 
but the Sponsor reserves the right to change the amount of the 
concession to dealers and others from time to time. Certain commercial 
banks are making Units of the Trust available to their customers 
on an agency basis. A portion of the sales charge paid by these 
customers is retained by or remitted to the banks in the amounts 
indicated in the second preceding sentence. Under the Glass-Steagall 
Act, banks are prohibited from underwriting Trust Units; however, 
the Glass-Steagall Act does permit certain agency transactions 
and the banking regulators have not indicated that these particular 
agency transactions are not permitted under such Act.

What are the Profits of the Sponsor?

The Underwriters, including the Sponsor, will receive a gross 
sales commission equal to 3.80% of the Public Offering Price (equivalent 
to 3.950% of the net amount invested) for Series 68 of the Trust. 
The Sponsor will receive from the other Underwriters the excess 
of such gross sales commission over 2.60% of the Public Offering 
Price for Series 68 of the Trust. Although any reduced sales charge 
shall be the responsibility of the selling Underwriter or dealer, 
the Sponsor will reimburse Underwriters or dealers for discounts 
made available


Page 18

to purchasers as described in "How is the Public Offering Price 
Determined?" See "Underwriting" for information regarding additional 
concessions available to Underwriters, dealers and others. In 
addition, the Sponsor may be considered to have realized a profit 
or the Sponsor may be considered to have sustained a loss, as 
the case may be for each Trust, in the amount of any difference 
between the cost of the Securities to each Series of the Trust 
and the cost of such Securities to the Sponsor. See "Portfolio" 
under the heading "Profit or (Loss) to Sponsor" for the Sponsor's 
profit or loss on the Initial Date of Deposit. During the initial 
offering period, the Underwriters also may realize profits or 
sustain losses from the sale of Units to other Underwriters or 
as a result of fluctuations after the Initial Date of Deposit 
in the offering prices of the Securities and hence in the Public 
Offering Price received by the Underwriters.

In maintaining a market for the Units, the Sponsor will also realize 
profits or sustain losses in the amount of any difference between 
the price at which Units are purchased (based on the bid prices 
of the Securities in a Series of the Trust) and the price at which 
Units are resold (which price is also based on the bid prices 
of the Securities in such Series and includes a sales charge of 
4.0% for Series 68 of the Trust) or redeemed (based on the bid 
prices of the Securities in the Series). The secondary market 
public offering price of Units may be greater or less than the 
cost of such Units to the Sponsor.

Will There be a Secondary Market?

After the initial offering period, although it is not obligated 
to do so, the Sponsor intends to maintain a market for the Units 
and continuously to offer to purchase Units at prices, subject 
to change at any time, based upon the aggregate bid price of the 
Securities in the portfolio of a Series of the Trust plus interest 
accrued to the date of settlement. To the extent that a secondary 
market is maintained during the initial offering period with respect 
to Series 68 of the Trust, the prices at which Units of a Series 
of the Trust will be repurchased will be based upon the aggregate 
offering side evaluation of the Securities in the portfolio of 
the Series of the Trust. The aggregate bid prices of the underlying 
Securities in each Series of the Trust, upon which the Sponsor's 
Repurchase Price and the Redemption Price are based, are expected 
to be less than the related aggregate offering prices (which is 
the evaluation method used during the initial public offering 
period). All expenses incurred in maintaining a secondary market, 
other than the fees of the Evaluator and the costs of the Trustee 
in transferring and recording the ownership of Units, will be 
borne by the Sponsor. If the supply of Units exceeds demand, or 
for some other business reason, the Sponsor may discontinue purchases 
of Units at such prices. IF A UNIT HOLDER WISHES TO DISPOSE OF 
HIS UNITS, HE SHOULD INQUIRE OF THE SPONSOR AS TO CURRENT MARKET
PRICES PRIOR TO MAKING A TENDER FOR REDEMPTION TO THE TRUSTEE.

                     RIGHTS OF UNIT HOLDERS

How is Evidence of Ownership Issued and Transferred?

The Trustee is authorized to treat as the record owner of Units 
that person who is registered as such owner on the books of the 
Trustee. Ownership of Units may be evidenced by registered certificates 
executed by the Trustee and the Sponsor. Delivery of certificates 
representing Units ordered for purchase is normally made five 
business days following such order or shortly thereafter. Certificates 
are transferable by presentation and surrender to the Trustee 
properly endorsed or accompanied by a written instrument or instruments 
of transfer. Certificates to be redeemed must be properly endorsed 
or accompanied by a written instrument or instruments of transfer. 
A Unit holder must sign exactly as his name appears on the face 
of the certificate with the signature guaranteed by a participant 
in the Securities Transfer Agents Medallion Program ("STAMP") 
or such other signature guarantee program in addition to, or in 
substitution for, STAMP, as may be accepted by the Trustee. 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. Record ownership may occur before settlement.

Certificates will be issued in fully registered form, transferable 
only on the books of the Trustee in denominations of one Unit 
or any multiple thereof, numbered serially for purposes of identification.

Unit holders may elect to hold their Units in uncertificated form. 
The Trustee will maintain an account for each such Unit holder 
and will credit each such account with the number of Units purchased 
by that Unit holder.


Page 19

Within two business days of the issuance or transfer of Units 
held in uncertificated form, the Trustee will send to the registered 
owner of Units a written initial transaction statement containing 
a description of a Series of the Trust; the number of Units issued 
or transferred; the name, address and taxpayer identification 
number, if any, of the new registered owner; a notation of any 
liens and restrictions of the issues and any adverse claims to 
which such Units are or may be subject or a statement that there 
are no such liens, restrictions or adverse claims; and the date 
the transfer was registered. Uncertificated Units are transferable 
through the same procedures applicable to Units evidenced by certificates 
(described above), except that no certificate need be presented 
to the Trustee and no certificate will be issued upon transfer 
unless requested by the Unit holder. A Unit holder may at any 
time request the Trustee to issue certificates for Units.

Although no such charge is now made or contemplated, a Unit holder 
may be required to pay $2.00 to the Trustee per certificate reissued 
or transferred, and to pay any governmental charge that may be 
imposed in connection with each such transfer or exchange. For 
new certificates issued to replace destroyed, stolen or lost certificates, 
the Unit holder may be required to furnish indemnity satisfactory 
to the Trustee and pay such expenses as the Trustee may incur. 
Mutilated certificates must be surrendered to the Trustee for 
replacement.

How are Interest and Principal Distributed?

The terms of the Ginnie Maes provide for payment to the holders 
thereof (including the Trust) on the fifteenth day of each month 
of amounts collected by or due to the issuers thereof with respect 
to the underlying mortgages during the preceding month, except 
for the first payment, which is not due until 45 days after the 
initial issue date of each Ginnie Mae. Interest from each Series 
of the Trust, including moneys representing penalties for the 
failure to make timely payments on Securities or liquidated damages 
for default or breach of any condition or term of the Securities 
will be distributed on or shortly after the first day of each 
month on a pro rata basis to Unit holders of record as of the 
preceding Record Date. All distributions will be net of applicable 
expenses.

During the Reinvestment Period, the pro rata share of cash in 
the Principal Account which has not been reinvested or committed 
for reinvestment will also be computed as of the first day of 
June and December and distributions to the Unit holders as of 
such Record Date will be made on or shortly after July 1 and December 
31. After the Reinvestment Period, the pro rata share of cash 
in the Principal Account will also be computed as of the first 
day of each month and distributions to the Unit holders as of 
such Record Date will be made on the last day of the month. Proceeds 
from the disposition of any of the Securities or amounts representing 
principal on the Securities received after such Record Date and 
prior to the following Distribution Date will be held in the Principal 
Account and not distributed until the next Distribution Date. 
The Trustee is not required to pay interest on funds held in the 
Principal or Interest Account (but may itself earn interest thereon 
and therefore benefits from the use of such funds) nor to make 
a distribution from the Principal Account unless the amount available 
for distribution shall equal at least $1.00 per 1,000 Units.

The Trustee will credit to the Interest Account all interest received 
by a Series of the Trust, including moneys representing penalties 
for the failure to make timely payments on Securities or liquidated 
damages for default or breach of any condition or term of the 
Securities and that part of the proceeds of any disposition of 
Securities which represents accrued interest. Other receipts will 
be credited to the Principal Account. Persons who purchase Units 
between a Record Date and a Distribution Date will receive their 
first distribution on the second Distribution Date after the purchase.

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 a Series of the Trust. The Trustee also may withdraw 
from said accounts such amounts, if any, as it deems necessary 
to establish a reserve for any governmental charges payable out 
of a Series of the Trust. Amounts so withdrawn shall not be considered 
a part of the assets of such Series of the Trust until such time 
as the Trustee shall return all or any part of such amounts to 
the appropriate account. In addition, the Trustee may withdraw


Page 20

from the Interest Account and the Principal Account such amounts 
as may be necessary to cover redemption of Units by the Trustee.

Record Dates for monthly distributions will be the first day of 
each month. Distributions will be made on or shortly after the 
first day of the succeeding month (except for the distribution 
which would be made on January 1 which instead will be made on 
or before December 31). Distributions for an IRA, Keogh, pension 
fund or other tax-deferred retirement plan will not be sent to 
the individual Unit holder; these distributions will go directly 
to the custodian of the plan to avoid the penalties associated 
with premature withdrawals from such accounts.

What Reports Will Unit Holders Receive?

The Trustee shall furnish Unit holders 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 1,000 Units. Within 
a reasonable time after the end of each calendar year, the Trustee 
will furnish to each person who at any time during the calendar 
year was a Unit holder of record, a statement as to (1) the Interest 
Account: interest received (including amounts representing interest 
received upon any disposition of Securities, penalties for the 
failure to make timely payments on Securities or liquidated damages 
for default or breach of any condition or term of the Securities), 
deductions for payment of applicable taxes and for fees and expenses 
of a Series of the Trust, redemption of Units 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 per 1,000 Units outstanding on the last business 
day of such calendar year; (2) the Principal Account: the amount 
of principal on Securities, and the net proceeds received therefrom 
(excluding any portion representing interest), deduction for payment 
of applicable taxes and for fees and expenses of a Series of the 
Trust, redemptions of Units, and the balance remaining after such 
distributions and deductions expressed both as a total dollar 
amount and as a dollar amount per 1,000 Units; (3) the Securities 
held and the number of Units outstanding on the last business 
day of such calendar year; (4) the Redemption Price per 1,000 
Units based upon the last computation thereof made during such 
calendar year; (5) the dollar amounts actually distributed during 
such calendar year from the Interest Account and from the Principal 
Account, separately stated; and (6) such other information as 
the Trustee may deem appropriate. Unit holders of Units in uncertificated 
form shall receive no less frequently than once each year a dated 
written statement containing the name, address and taxpayer identification 
number, if any, of the registered owner, the number of Units registered 
in the name of the registered owner on the date of the statement 
and certain other information, that will be provided as required 
under applicable law.

In order to comply with Federal and state tax reporting requirements, 
Unit holders will be furnished, upon request to the Trustee, evaluations 
of the Securities furnished to it by the Evaluator.

How May Units be Redeemed?

A Unit holder may redeem all or a portion of his Units by tender 
to the Trustee at its corporate trust office in the City of New 
York of the certificates representing the Units to be redeemed, 
or, in the case of uncertificated Units, delivery of a request 
for redemption, duly endorsed or accompanied by proper instruments 
of transfer with signature guaranteed as explained above (or by 
providing satisfactory indemnity, as in connection with lost, 
stolen or destroyed certificates), and payment of applicable governmental 
charges, if any. No redemption fee will be charged. On the seventh 
calendar day following such tender, or if the seventh calendar 
day is not a business day, on the first business day prior thereto, 
the Unit holder will be entitled to receive in cash an amount 
for each Unit equal to the Redemption Price per Unit next computed 
after receipt by the Trustee of such tender of Units. The "date 
of tender" is deemed to be the date on which Units are received 
by the Trustee, except that as regards Units received after the 
close of trading on the New York Stock Exchange (4:00 p.m. Eastern 
time), 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. Units so redeemed shall be canceled.


Page 21

Accrued interest to the settlement date 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 Redemption Price per Unit (as well as the secondary market 
Public Offering Price) will be determined on the basis of the 
bid price of the Securities in a Series of the Trust, while the 
Public Offering Price of Units during the initial offering period 
will be determined on the basis of the offering price of the Securities, 
as of the close of trading on the New York Stock Exchange (4:00 
p.m. Eastern time) on the date any such determination is made. 
At the opening of business on the Initial Date of Deposit the 
Public Offering Price per Unit (which is based on the offering 
prices of the Securities in the Trust and includes the sales charge) 
exceeded the Unit value at which Units could have been redeemed 
(based upon the current bid prices of the Securities in each Series 
of the Trust) by the amount per 1,000 Units set forth in the "Summary 
of Essential Information." The Redemption Price per Unit is the 
pro rata share of each Unit determined by the Trustee on the basis 
of (1) the cash on hand in the Trust or moneys in the process 
of being collected, (2) the value of the Securities in a Series 
of the Trust based on the prices of the Securities and (3) interest 
accrued thereon, less (a) amounts representing taxes or other 
governmental charges payable out of a Series of the Trust and 
(b) the accrued expenses of a Series of the Trust. The Evaluator 
may determine the value of the Securities in a Series of the Trust 
(1) on the basis of current bid prices of the Securities obtained 
from dealers or brokers who customarily deal in securities comparable 
to those held by a Series of the Trust, (2) on the basis of bid 
prices for securities comparable to any securities for which bid 
prices are not available, (3) by determining the value of the 
Securities by appraisal, or (4) by any combination of the above. 
See "Public Offering-How is the Public Offering Price Determined?" 
for information with respect to the uncertainty during certain 
periods of each month of the precise amount of principal and accrued 
interest of the Ginnie Maes.

The difference between the bid and offering prices of such Securities 
may be expected to average 1/4 to 1/2 of 1% of the principal amount 
of such Securities. Therefore, the price at which Units may be 
redeemed could be less than the price paid by the Unit holder. 
At the opening of business on the Initial Date of Deposit the 
aggregate current offering price of such Securities exceeded the 
Redemption Price (based upon current bid prices of such Securities) 
by the aggregate amount and the amount per 1,000 Units indicated 
in the Portfolio.

The Trustee is empowered to sell underlying Securities in order 
to make funds available for redemption. To the extent that Securities 
are sold, the size and diversity of the Trust will be reduced. 
Such sales may be required at a time when Securities would not 
otherwise be sold and might result in lower prices than might 
otherwise be realized. Ginnie Maes are sold in minimum face amounts 
which range from $25,000 to $100,000. Due to the minimum principal 
amount in which Ginnie Maes may be required to be sold, the proceeds 
of such sales may exceed the amount necessary for payment of Units 
redeemed. Such excess proceeds will be placed in the Principal 
Account and eligible for reinvestment or for distribution pro 
rata to all remaining Unit holders of record.

The right of redemption may be suspended and payment postponed 
for any period during which the New York Stock Exchange is closed, 
other than for customary weekend and holiday closings, or during 
which the Securities and Exchange Commission determines that trading 
on that Exchange is restricted or an emergency exists, as a result 
of which disposal or evaluation of the Securities is not reasonably 
practicable, or for such other periods as the Securities and Exchange 
Commission may by order permit.

How May Units be Purchased by the Sponsor?

The Trustee shall notify the Sponsor of any tender of Units for 
redemption. If the Sponsor's bid in the secondary market at that 
time equals or exceeds the Redemption Price per Unit, it may purchase 
such Units by notifying the Trustee before the close of business 
on the second succeeding business day and by making payment therefor 
to the Unit holder not later than the day on which the Units would 
otherwise have been redeemed by the Trustee. Units held by the 
Sponsor may be tendered to the Trustee for redemption as any other 
Units.


Page 22

The offering price of any Units acquired by the Sponsor will be 
in accord with the Public Offering Price described in the then 
currently effective prospectus describing such Units. Any profit 
or loss resulting from the resale or redemption of such Units 
will belong to the Sponsor.

How May Securities be Removed from the Trust?

The Sponsor is empowered, but not obligated, to direct the Trustee 
to dispose of Securities in the event certain events occur that 
adversely affect the value of Securities including default in 
payment of interest or principal, default in payment of interest 
or principal of other obligations guaranteed or backed by the 
full faith and credit of the United States of America, institution 
of legal proceedings, default under other documents adversely 
affecting debt service, decline in price or the occurrence of 
other market or credit factors.

If any default in the payment of principal or interest on any 
Security occurs and if the Sponsor fails to instruct the Trustee 
to sell or to hold such Security within thirty days after notification 
by the Trustee to the Sponsor of such default, the Trustee may, 
in its discretion, sell the defaulted Security and not be liable 
for any depreciation or loss thereby incurred.

The Trustee is also empowered to sell, for the purpose of redeeming 
Units tendered by any Unit holder, and for the payment of expenses 
for which funds may not be available, such of the Securities in 
a list furnished by the Sponsor as the Trustee in its sole discretion 
may deem necessary. Except as stated under "What is the First 
Trust GNMA?", the acquisition by the Trust of any securities other 
than the Securities initially deposited is prohibited.

        INFORMATION AS TO SPONSOR, TRUSTEE AND EVALUATOR

Who is the Sponsor?

Nike Securities L.P., the Sponsor, specializes in the underwriting, 
trading and distribution of unit investment trusts and other securities. 
Nike Securities L.P., an Illinois limited partnership formed in 
1991, acts as Sponsor for successive series of The First Trust 
Combined Series, The First Trust Special Situations Trust, The 
First Trust Insured Corporate Trust, The First Trust of Insured 
Municipal Bonds, The First Trust GNMA, Templeton Growth and Treasury 
Trust, Templeton Foreign Fund & U.S. Treasury Securities Trust, 
and The Advantage Growth and Treasury Securities Trust. First 
Trust introduced the first insured unit investment trust in 1974 
and to date more than $8 billion in First Trust unit investment 
trusts have been deposited. The Sponsor's employees include a 
team of professionals with many years of experience in the unit 
investment trust industry. The Sponsor is a member of the National 
Association of Securities Dealers, Inc. and Securities Investor 
Protection Corporation and has its principal offices at 1001 Warrenville 
Road, Lisle, Illinois 60532; telephone number (708) 241-4141. 
As of December 31, 1993, the total partners' capital of Nike Securities 
L.P. was $12,743,032 (unaudited). (This paragraph relates only 
to the Sponsor and not to the Trust or to any series thereof or 
to any other Underwriters. The information is included herein 
only for the purpose of informing investors as to the financial 
responsibility of the Sponsor and its ability to carry out its 
contractual obligations. More detailed financial information will 
be made available by the Sponsor upon request.)

Who is the Trustee?

The Trustee is United States Trust Company of New York with its 
principal place of business at 45 Wall Street, New York, New York 
10005 and its unit investment trust offices at 770 Broadway, New 
York, New York 10003. Unit holders who have questions regarding 
the Fund may call the Customer Service Help Line at 1-800-682-7520. 
The Trustee is a member of the New York Clearing House Association 
and is subject to supervision and examination by the Comptroller 
of the Currency, the Federal Deposit Insurance Corporation and 
the Board of Governors of the Federal Reserve System.

The Trustee, whose duties are ministerial in nature, has not participated 
in the selection of the Securities. For information relating to 
the responsibilities of the Trustee under the Indenture, reference 
is made to the material set forth under "Rights of Unit Holders."

The Trustee and any successor 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 Unit holders. 
Upon receipt of such notice,


Page 23

the Sponsor is obligated to appoint a successor trustee promptly. 
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 Indenture. If upon resignation of a trustee no successor has 
accepted the appointment within 30 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 a trustee becomes effective only when the successor trustee 
accepts its appointment as such or when a court of competent jurisdiction 
appoints a successor trustee.

Any corporation into which a Trustee may be merged or with which 
it may be consolidated, or any corporation resulting from any 
merger or consolidation to which a Trustee shall be a party, shall 
be the successor Trustee. The Trustee must be a banking corporation 
organized under the laws of the United States or any State and 
having at all times an aggregate capital, surplus and undivided 
profits of not less than $5,000,000.

Limitations on Liabilities of Sponsor and Trustee

The Sponsor and Trustee shall be under no liability to Unit holders 
for taking any action or for refraining from taking any action 
in good faith pursuant to the Indenture, or for errors in judgment, 
but shall be liable only for their own willful misfeasance, bad 
faith, gross negligence (ordinary negligence in the case of the 
Trustee) or reckless disregard of their obligations and duties. 
The Trustee shall not be liable for depreciation or loss incurred 
by reason of the sale by the Trustee of any of the Securities. 
In the event of the failure of the Sponsor to act under the Indenture, 
the Trustee may act thereunder and shall not be liable for any 
action taken by it in good faith under the Indenture.

The Trustee shall not be liable for any taxes or other governmental 
charges imposed upon or in respect of the Securities or upon the 
interest thereon or upon it as Trustee under the Indenture or 
upon or in respect of a Series of the Trust which the Trustee 
may be required to pay under any present or future law of the 
United States of America or of any other taxing authority having 
jurisdiction. In addition, the Indenture contains other customary 
provisions limiting the liability of the Trustee.

If the Sponsor shall fail to perform any of its duties under the 
Indenture or become incapable of acting or become bankrupt or 
its affairs are taken over by public authorities, then the Trustee 
may (a) appoint a successor Sponsor at rates of compensation deemed 
by the Trustee to be reasonable and not exceeding amounts prescribed 
by the Securities and Exchange Commission, or (b) terminate the 
Indenture and liquidate the Trust as provided herein, or (c) continue 
to act as Trustee without terminating the Indenture.

Who is the Evaluator?

The Evaluator is Securities Evaluation Service, Inc., 531 East 
Roosevelt Road, Suite 200, Wheaton, Illinois 60187. The Evaluator 
may resign or may be removed by the Sponsor and the Trustee, in 
which event 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 30 days after notice 
of resignation, the Evaluator may apply to a court of competent 
jurisdiction for the appointment of a successor.

The Trustee, Sponsor and Unit holders may rely on any evaluation 
furnished by the Evaluator and shall have no responsibility for 
the accuracy thereof. Determinations by the Evaluator under the 
Indenture 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, Sponsor or Unit holders 
for errors in judgment. This provision shall not protect the Evaluator 
in any case of willful misfeasance, bad faith, gross negligence 
or reckless disregard of its obligations and duties.

                        OTHER INFORMATION

How May the Indenture be Amended or Terminated?

The Sponsor and the Trustee have the power to amend the Indenture 
without the consent of any of the Unit holders when such amendment 
is (1) to cure any ambiguity or to correct or supplement any provision 
of the Indenture which may be defective or inconsistent with any 
other provision contained therein, or (2) to make


Page 24

such other provisions as shall not adversely affect the interest 
of the Unit holders (as determined in good faith by the Sponsor 
and the Trustee), provided that the Indenture is not amended to 
increase the number of Units issuable thereunder or to permit 
the deposit or acquisition of securities either in addition to 
or in substitution for any of the Securities initially deposited 
in a Series of the Trust, except for the substitution of Replacement 
Securities for Failed Securities or the purchase of additional 
Securities pursuant to the Indenture. In the event of any amendment, 
the Trustee is obligated to notify promptly all Unit holders of 
the substance of such amendment.

A Series of the Trust may be liquidated at any time by consent 
of 100% of the Unit holders or by the Trustee when the principal 
amount of the Securities owned by such Series as shown by any 
evaluation, is less than the lower of $2,000,000 or 40% of the 
total principal amount of the Securities initially deposited in 
such Series, or in the event that Units not yet sold aggregating 
more than 60% of the Units initially deposited are tendered for 
redemption by the Underwriters, including the Sponsor. If a Series 
of the Trust is liquidated because of the redemption of unsold 
Units by the Underwriters, the Sponsor will refund to each purchaser 
of Units the entire sales charge paid by such purchaser. The Indenture 
will terminate upon the redemption, sale or other disposition 
of the last Security held thereunder, but in no event shall it 
continue beyond December 31, 2043. In the event of termination, 
written notice thereof will be sent by the Trustee to all Unit 
holders. Within a reasonable period after termination, the Trustee 
will sell any Securities remaining in a Series of the Trust, and, 
after paying all expenses and charges incurred by a Series of 
the Trust, will distribute to each Unit holder (including the 
Sponsor if it then holds any Units), upon surrender for cancellation 
of his Units, his pro rata share of the balances remaining in 
the Interest and Principal Accounts, all as provided in the Indenture.

Legal Opinions

The legality of the Units offered hereby will be passed upon by 
Chapman and Cutler, 111 West Monroe Street, Chicago, Illinois 
60603, as counsel for the Sponsor. Carter, Ledyard & Milburn, 
2 Wall Street, New York, New York 10005, will act as counsel for 
the Trustee.

Experts

The statement of net assets, including the portfolio, of the Trust 
at the opening of business on the Initial Date of Deposit, appearing 
in this Prospectus and Registration Statement has been audited 
by Ernst & Young, independent auditors, as set forth in their 
report thereon appearing elsewhere herein and in the Registration 
Statement, and is included in reliance upon such report given 
upon the authority of such firm as experts in accounting and auditing.

                          UNDERWRITING

The Underwriters named below, including the Sponsor, have severally 
purchased Units in the following respective amounts:

<TABLE>
<CAPTION>
                                                Series 68

Name                                    Address                                                 Units
____                                    _______                                                 _____
<S>                                     <C>                                                     <C>
Sponsor
Nike Securities L.P.                    1001 Warrenville Road, Lisle, IL 60532                   
Underwriters            
                                                                                                __________

                                                                                                ==========
</TABLE>

[FN]
*       This Underwriter has indicated its intention to purchase an 
additional 50,000 Units from the Sponsor either on the Initial 
Date of Deposit or during the initial six month offering period.


Page 25

On the Initial Date of Deposit, the Underwriters of the Trust 
became the owners of the Units of such Trust and entitled to the 
benefits thereof, as well as the risks inherent therein.

The Agreement Among Underwriters provides that a public offering 
of the Units will be made at the Public Offering Price described 
in the Prospectus. Units may also be sold to dealers and others 
at prices representing a concession or agency commission of 2.50% 
of the Public Offering Price per Unit for secondary market sales 
for Series 68 of the Trust. See "Public Offering-How is the Public 
Offering Price Determined?" for additional dealer concessions 
for volume purchases. However, resales of Units by such dealers 
and others to the public will be made at the Public Offering Price 
described in the Prospectus. The Sponsor reserves the right to 
change the amount of the concession or agency commission from 
time to time.

Certain Underwriters have agreed to underwrite additional Units 
of Series 68 of the Trust as they become available. In addition 
to the concessions described in "Public Offering-What are the 
Profits of the Sponsor?", Underwriters may be eligible for additional 
concessions as set forth in the following table:

<TABLE>
<CAPTION>
                                                Underwriting Concession
                Number of Units                 as a Percentage of the 
                Underwritten                    Public Offering Price
                _______________                 _______________________
                <C>                             <S>
                100,000                         2.50%
                1,000,000                       2.80%
</TABLE>

Total underwriting concession is based on the number of Units 
an Underwriter has indicated its intention to purchase on the 
Initial Date of Deposit.

From time to time the Sponsor may implement programs under which 
Underwriters and dealers of the Trust may receive nominal awards 
from the Sponsor for each of their registered representatives 
who have sold a minimum number of UIT Units (for this purpose, 
1,000 Units of The First Trust GNMA equals one UIT Unit) during 
a specified time period. In addition, at various times the Sponsor 
may implement other programs under which the sales force of an 
Underwriter or dealer may be eligible to win other nominal awards 
for certain sales efforts, or under which the Sponsor will reallow 
to any such Underwriter or dealer that sponsors sales contests 
or recognition programs conforming to criteria established by 
the Sponsor, or participates in sales programs sponsored by the 
Sponsor, an amount not exceeding the total applicable sales charges 
on the sales generated by such person at the public offering price 
during such programs. Also, the Sponsor in its discretion may 
from time to time pursuant to objective criteria established by 
the Sponsor pay fees to qualifying Underwriters or dealers for 
certain services or activities which are primarily intended to 
result in sales of Units of the Trust. Such payments are made 
by the Sponsor out of its own assets, and not out of the assets 
of the Trust. These programs will not change the price Unit holders 
pay for their Units or the amount that the Trust will receive 
from the Units sold.

A comparison of estimated current returns and estimated long-term 
returns with the returns on various investments is one element 
to consider in making an investment decision. The Sponsor may 
from time to time in its advertising and sales materials compare 
the then current estimated returns on the Trust and returns over 
specified periods on other similar Trusts sponsored by Nike Securities 
L.P. with returns on taxable investments such as corporate or 
U.S. Government bonds, bank CDs and money market accounts or money 
market funds, each of which has investment characteristics that 
may differ from those of the Trust. U.S. Government bonds, for 
example, are backed by the full faith and credit of the U.S. Government 
and bank CDs and money market accounts are insured by an agency 
of the federal government. Money market accounts and money market 
funds provide stability of principal, but pay interest at rates 
that vary with the condition of the short-term debt market. The 
investment characteristics of the Trust are described more fully 
elsewhere in this Prospectus.


Page 26

                                  The First Trust GNMA, Series 68

<TABLE>
<CAPTION>

Special Information                                                                             Monthly
                                                                                                _______
<S>                                                                                             <C>
Calculation of Estimated Net Annual Interest Rate per 1,000 Units (1)                            
        Estimated Annual Interest Rate (excluding the effect of premiums)                             %
        Less: Estimated Annual Expense ($          ) expressed as a percentage                        %
        Estimated Net Annual Interest Rate per 1,000 Units                                            %
Estimated Daily Rate of Net Interest Accrual per 1,000 Units                                          %
Estimated Long-Term Return Based on Public Offering Price (2)                                         %
Estimated Average Life                                                                              yrs.
CUSIP                                           

</TABLE>

Trustee's Annual Fee    $.90 per annum per 1,000 Units outstanding 
                        annually, exclusive of  expenses of the Trust, 
                        commencing                          .

Income Distributions

Estimated first distribution of $              per 1,000 Units 
will be paid on               to Unit holders of record on    
           (The First General Record Date). The estimated first 
distribution will consist entirely of principal. On           
          the regular monthly distribution of interest will commence, 
payable to Unit holders of record on               .

Subsequent distributions will be paid on or shortly after the 
first day of each month to holders of record of Units on the first 
day of the preceding month (except for the distribution which 
would be made on January 1 which instead will be on or before 
December 31).

Principal

During the Reinvestment Period principal will be reinvested subject 
to certain exceptions. Principal not reinvested will be distributed 
on July 1 and December 31 of each year to all Unit holders of 
record on June 1 and December 1, respectively. After the Reinvestment 
Period, principal wil be distributed with the income distributions 
described above.

No distributions need be made from the Principal Account if the 
balance therein is less than $1.00 per 1,000 Units.

[FN]
________________

(1)     Assumes delivery of all Securities; in the event that any 
contract for the purchase of Securities shall be delayed or not 
be completed, the Estimated Returns may be reduced.

(2)     The Estimated Long-Term Return is calculated using a formula 
which (1) takes into consideration, and determines and factors 
in the relative weightings of, the market values, yields (which takes 
into account the amortization of premiums and the accretion of 
discounts) and estimated average life of all of the Securities 
in the Trust and (2) takes into account the expenses and sales 
charge associated with each Unit of such Series. Since the market 
values and estimated average lives of the Securities and the expenses 
of the Trust will change, there is no assurance that the present 
Estimated Long-Term Return as indicated above will be realized 
in the future. The Estimated Long-Term Return reflects the date 
and estimated amount of principal returned; however, the rate 
does not reflect the true return to Unit holders which is lower 
because the rate does not include the effect of certain delays 
in the first payment to Unit holders and includes an internal 
compounding rate that takes into account the premium coupon rate 
of the securities. These figures are based on per 1,000 Unit cash 
flows. Cash flows will vary with changes in fees and expenses, 
with the principal prepayment, principal reinvestment, redemption, 
maturity, exchange or sale of the underlying Securities and with 
changes in the average life assumptions of the GNMA pools.  Estimated
Cash Flows for this Series, are available upon request at no charge
from the Sponsor.


Page 27

                                                        Portfolio

                                  THE FIRST TRUST GNMA, SERIES 68
       At the Opening of Business on the Initial Date of Deposit-

 Government National Mortgage Association, Modified Pass-Through
                    Mortgage-Backed Securities


<TABLE>
<CAPTION>
                                                                                Cost of                 Profit  
        Principal       Coupon          Years of Stated         Cost to         Securities              or (Loss) to
        Amount          Rate            Maturity                Sponsor (1)     to Trust (2)            Sponsor 
        _________       ______          _______________         ___________     ____________            _____________
        <S>             <C>             <C>                     <C>             <C>                     <C>

        $                    %                 -                $               $                       $       
        =========       ======          ===============         ===========     ============            =============
</TABLE>

[FN]

(1) All Securities on the Initial Date of Deposit are represented 
by the Sponsor's contracts to purchase such Securities. Such contracts 
were acquired by the Sponsor on . Interest will begin accruing 
to the benefit of Unit holders from                          , 
the First Settlement Date of the Trust.

(2) The cost of the Securities to the Trust represents the offering 
side evaluation of the Securities as determined by Securities 
Evaluation Service, Inc. The offering side evaluation is greater 
than the current bid side evaluation of the Securities which is 
the basis on which Redemption Price per Unit is determined. The 
aggregate value based on the bid side evaluation at the opening 
of business on the Initial Date of Deposit was $, which is $ ($ 
per 1,000 Units; % of the aggregate principal amount) lower than 
the aggregate cost of the Securities to the Trust based on the 
offering side evaluation.
                        _____________________

In addition to the information as to the GNMA fully modified pass-through 
mortgage-backed Securities set forth under "Portfolio," the Trustee 
will furnish Unit holders a statement listing the name of issuer, 
pool number, interest rate, maturity date and principal amount 
for each such Security in the Portfolio upon written request.


Page 28

                 REPORT OF INDEPENDENT AUDITORS

The Sponsor, Nike Securities L.P., and Unit Holders
THE FIRST TRUST GNMA, Series 68

We have audited the accompanying statement of net assets, including 
the portfolio, of The First Trust GNMA, Series 68 (the Trust) 
as of the opening of business on                          . This 
statement of net assets is the responsibility of the Trust's Sponsor. 
Our responsibility is to express an opinion on this statement 
of net assets based on our audit.

We conducted our audit in accordance with generally accepted auditing 
standards. Those standards require that we plan and perform the 
audit to obtain reasonable assurance about whether the statement 
of net assets is free of material misstatement. An audit includes 
examining, on a test basis, evidence supporting the amounts and 
disclosures in the statement of net assets. Our procedures included 
confirmation of the letter of credit held by the Trustee and deposited 
in the Trust at the opening of business on                    
      . An audit also includes assessing the accounting principles 
used and significant estimates made by the Sponsor, as well as 
evaluating the overall presentation of the statement of net assets. 
We believe that our audit of the statement of net assets provides 
a reasonable basis for our opinion.

In our opinion, the statement of net assets referred to above 
presents fairly, in all material respects, the financial position 
of The First Trust GNMA, Series 68 at the opening of business 
on                           in conformity with generally accepted 
accounting principles.

                                        ERNST & YOUNG

Chicago, Illinois
                         
Page 29


                                          Statement of Net Assets
                                       At the Opening of Business
        On the Initial Date of Deposit,                       
   
<TABLE>
<CAPTION>
                                                                                                The First Trust
                                                                                                GNMA
                                                                                                Series 68
                                                                                                _______________
<S>                                                                                             <C>
NET ASSETS
Delivery statements relating to Sponsor's contracts to purchase Securities (1)(2)               $       
Accrued interest on underlying Securities (2)(4)                                                            
                                                                                                ____________

Less distributions payable (4)                                                                          
                                                                                                ____________
Net assets                                                                                      $       
                                                                                                ============
Outstanding Units of fractional undivided interest
</TABLE>

<TABLE>
<CAPTION>
ANALYSIS OF NET ASSETS
<S>                                                                                             <C>
Cost to investors (3)                                                                           $       

Less gross underwriting commissions (3)                                                                 
                                                                                                ____________
Net assets                                                                                      $       
                                                                                                ============
</TABLE>

[FN]
Notes:

(1)     The aggregate offering price of the Securities of the Trust 
listed under "Portfolio" on the Initial Date of Deposit herein 
and their cost to the Trust are the same. The offering price shown 
above has been determined by Securities Evaluation Service, Inc., 
certain shareholders of which are officers of the Sponsor.

(2)     Pursuant to delivery statements relating to contracts to 
purchase Securities, an irrevocable letter of credit held by the 
Trustee has been deposited in the Trust as collateral. The amount 
of available letter of credit and the amount expected to be utilized 
for the Trust is shown below. The amount expected to be utilized 
is (a) the cost to the Trust of the principal amount of the Securities 
to be purchased, (b) accrued interest on those Securities to the 
Initial Date of Deposit and (c) accrued interest on those Securities 
from the Initial Date of Deposit to the expected dates of delivery 
of the Securities.

<TABLE>
<CAPTION>
                                                                                                        Accrued         Accrued
                                                                                        Aggregate       Interest to     Interest to
                                                            Letter of Credit            Offering        Initial         Expected
                                                                        To be           Price of        Date of         Dates of
Series                                                  Available       Utilized        Securities      Deposit         Delivery 
______                                                  _________       ________        __________      ___________     ___________
<S>                                                     <C>             <C>             <C>             <C>             <C>

The First Trust GNMA, Series 68                         $               $               $               $               $       

</TABLE>

(3)     The aggregate cost to investors (exclusive of accrued interest) 
and the aggregate gross underwriting commissions of 3.80% for 
Series 68 of the Trust are computed assuming no reduction of sales 
charge for quantity purchases.

(4)     The Trustee will advance to the Trust the amount of accrued 
interest to                          , the First Settlement Date 
of the Trust, for distribution to the Sponsor as the Unit holder 
of record.


Page 30



      DESCRIPTION OF STANDARD & POOR'S CORPORATION RATING*

*As described by Standard & Poor's Corporation.

A Standard & Poor's Corporation's rating on the units of an investment 
trust (hereinafter referred to collectively as "units" and "trust") 
is a current assessment of creditworthiness with respect to the 
investments held by such trust. This assessment takes into consideration 
the financial capacity of the issuers and of any guarantors, insurers, 
lessees or mortgagors with respect to such investments. The assessment, 
however, does not take into account the extent to which trust 
expenses or portfolio asset sales for less than the trust's purchase 
price will reduce payment to the Unit holder of the interest and 
principal required to be paid on the portfolio assets. In addition, 
the rating is not a recommendation to purchase, sell, or hold 
units, inasmuch as the rating does not comment as to market price 
of the units or suitability for a particular investor.

Trusts rated "AAA" are composed exclusively of assets that are 
rated "AAA" by Standard & Poor's or, have, in the opinion of Standard 
& Poor's, credit characteristics comparable to assets rated "AAA," 
or certain short-term investments. Standard & Poor's defines its 
"AAA" rating for such assets as the highest rating assigned by 
Standard & Poor's to a debt obligation. Capacity to pay interest 
and repay principal is very strong.


Page 31

<TABLE>
<CAPTION>

CONTENTS:
<S>                                                     <C>
Summary of Essential Information                         3
The First Trust GNMA:
        What is the First Trust GNMA?                    4
        What is the Rating of the Units?                10
        What are Estimated Current Return and
             Estimated Long-Term Return?                10
        How is Accrued Interest Treated?                12
        What are the Expenses and Charges?              12
        What is the Tax Status of Unit Holders?         14
        Why are Investments in a Series of the Trust
             Suitable for Retirement Plans?             15
        How Can Distributions to Unit Holders be
             Reinvested?                                15
Public Offering:
        How is the Public Offering Price Determined?    16
        How are Units Distributed?                      18
        What are the Profits of the Sponsor?            18
        Will There be a Secondary Market?               19
Rights of Unit Holders:
        How is Evidence of Ownership Issued and
             Transferred?                               19
        How are Interest and Principal Distributed?     20
        What Reports Will Unit Holders Receive?         21
        How May Units be Redeemed?                      21
        How May Units be Purchased by the Sponsor?      22
        How May Securities be Removed from the Trust?   23
Information as to Sponsor, Trustee and Evaluator:
        Who is the Sponsor?                             23
        Who is the Trustee?                             23
        Limitations on Liabilities of Sponsor and 
                Trustee                                 24
        Who is the Evaluator?                           24
Other Information:
        How May the Indenture be Amended or
             Terminated?                                24
        Legal Opinions                                  25
        Experts                                         25
Underwriting                                            25
The First Trust GNMA, Series 68                         27
Portfolio                                               28
Report of Independent Auditors                          29
Statement of Net Assets                                 30
Description of Standard & Poor's Corporation Rating     31
</TABLE>


                FIRST TRUST (registered trademark)




                              GNMA
                            SERIES 68









                First Trust (registered trademark)

                1001 Warrenville Road, Suite 300
                      Lisle, Illinois 60532
                         1-708-241-4141




                            Trustee:

                   United States Trust Company
                           of New York
                          770 Broadway
                    New York, New York 10003
                         1-800-682-7520



THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL, OR A SOLICITATION
OF AN OFFER TO BUY, SECURITIES IN ANY JURISDICTION TO ANY PERSON TO
WHOM IT IS NOT LAWFUL TO MAKE SUCH OFFER IN SUCH JURISDICTION.

THIS PROSPECTUS DOES NOT CONTAIN ALL THE INFORMATION SET FORTH IN
THE REGISTRATION STATEMENTS AND EXHIBITS RELATING THERETO, WHICH 
THE FUND HAS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION,
WASHINGTON, D.C. UNDER THE SECURITIES ACT OF 1933 AND THE INVESTMENT
COMPANY ACT OF 1940, AND TO WHICH REFERENCE IS HEREBY MADE.   

      PLEASE RETAIN THIS PROSPECTUS FOR FUTURE REFERENCE


Page 32



                           MEMORANDUM
                                
                                
              RE:  THE FIRST TRUST GNMA, SERIES 68
     
     As   indicated   in   our  cover  letter  transmitting   the
Registration  Statement  on Form S-6 and other  related  material
under  the  Securities  Act of 1933 to the Commission,  the  only
difference of consequence (except as described below) between The
First  Trust GNMA, Series 67, which is the current fund, and  The
First  Trust GNMA, Series 68, the filing of which this memorandum
accompanies,  is the change in the series number.   The  list  of
securities  comprising  the  Fund,  the  evaluation,  record  and
distribution  dates and other changes pertaining specifically  to
the  new series, such as size and number of Units in the Fund and
the  statement  of condition of the new Fund, will  be  filed  by
amendment.
                                
                                
                            1940 ACT
                                
                                
                      FORMS N-8A AND N-8B-2
     
     These forms were not filed, as the Form N-8A and Form N-8B-2
filed in respect of The First Trust GNMA Fund, Series 1 (File No.
811-3969) related also to the subsequent series of the Fund.
                                
                                
                            1933 ACT
                                
                                
                           PROSPECTUS
     
     The  only  significant changes in the  Prospectus  from  the
Series 67 prospectus relate to the series number and size and the
date  and various items of information which will be derived from
and apply specifically to the securities deposited in the Fund.




               CONTENTS OF REGISTRATION STATEMENT


Item A.   Bonding Arrangements of Depositor

          Nike Securities L.P. is covered by a Brokers' Fidelity
          Bond, in the total amount of $500,000, the insurer
          being National Union Fire Insurance Company of
          Pittsburgh.

Item B.   This Registration Statement on Form S-6 comprises the
          following papers and documents:

          The facing sheet
          The Cross-Reference Sheet
          The Prospectus
          The signatures
          Exhibits
          
          
          
          
          
                               S-1
                           SIGNATURES
     
     Pursuant to the requirements of the Securities Act of  1933,
the  Registrant, The First Trust GNMA, Series 68, has duly caused
this  Registration Statement to be signed on its  behalf  by  the
undersigned, thereunto duly authorized, in the Village  of  Lisle
and State of Illinois on May 12, 1994.
                                    
                              THE FIRST TRUST GNMA, SERIES 68
                              (Registrant)
                               
                              By:  NIKE SECURITIES L.P.
                                   (Depositor)
                              
                              
                              By:        Carlos E. Nardo
                                         Senior Vice President
     
     Pursuant to the requirements of the Securities Act of  1933,
this  Registration  Statement  has  been  signed  below  by   the
following person in the capacity and on the date indicated:

        NAME               TITLE*                         DATE

Robert D. Van Kampen Sole Director of         )
                     Nike Securities          )
                     Corporation the General  )
                     Partner of Nike          )   May 12, 1994
                     Securities L.P.          )
                                              )
                                              )   Carlos E. Nardo
                                              )Attorney-in-fact**
                                              )





*    The title of the person named herein represents his capacity
     in and relationship to Nike Securities L.P., the depositor.

**   An  executed copy of the related power of attorney was filed
     with  the  Securities and Exchange Commission in  connection
     with  Amendment No. 1 to Form S-6 of The First Trust Special
     Situations Trust, Series 18 (File No. 33-42683) and the same
     is hereby incorporated herein by this reference.
                                
                               S-2
                       CONSENTS OF COUNSEL
     
     The  consents  of counsel to the use of their names  in  the
Prospectus  included  in  this  Registration  Statement  will  be
contained  in their respective opinions to be filed  as  Exhibits
3.1 and 3.4 of the Registration Statement.
                                
                                
         CONSENT OF SECURITIES EVALUATION SERVICE, INC.
     
     The  consent of Securities Evaluation Service, Inc.  to  the
use  of  its name in the Prospectus included in this Registration
Statement  will  be  filed  as Exhibit 4.1  to  the  Registration
Statement.
                                
                                
            CONSENT OF STANDARD & POOR'S CORPORATION
     
     The  consent of Standard & Poor's Corporation to the use  of
its   name  in  the  Prospectus  included  in  this  Registration
Statement  will  be  filed  as Exhibit 4.2  to  the  Registration
Statement.
                                
                                
                    CONSENT OF ERNST & YOUNG
     
     The  consent of Ernst & Young to the use of its name and  to
the  reference  to such firm in the Prospectus included  in  this
Registration Statement will be filed by Amendment.
     
     
     
     
     
     
                                
                               S-3
                          EXHIBIT INDEX

1.1     Form  of Standard Terms and Conditions of Trust  for  The
     First  Trust GNMA, Series 62 and subsequent Series effective
     December  19, 1991 among Nike Securities L.P., as Depositor,
     United   States  Trust  Company  of  New  York  as  Trustee,
     Securities Evaluation Service, Inc., as Evaluator, and  Nike
     Financial  Advisory  Services L.P. as  Portfolio  Supervisor
     (incorporated by reference to Amendment No. 1  to  Form  S-6
     [File No. 33-44532] filed on behalf of The First Trust GNMA,
     Series 62).

1.1.1_Form of Trust Agreement for Series 68 among Nike Securities
     L.P., as Depositor, United States Trust Company of New York,
     as   Trustee,  Securities  Evaluation  Service,   Inc.,   as
     Evaluator,  and  Nike Financial Advisory Services  L.P.,  as
     Portfolio Supervisor.

1.2     Copy  of  Certificate  of  Limited  Partnership  of  Nike
     Securities L.P. (incorporated by reference to Amendment  No.
     1  to  Form S-6 [File No. 33-42683] filed on behalf  of  The
     First Trust Special Situations Trust, Series 18).

1.3    Copy of Amended and Restated Limited Partnership Agreement
     of  Nike  Securities  L.P.  (incorporated  by  reference  to
     Amendment  No.  1 to Form S-6 [File No. 33-42683]  filed  on
     behalf  of The First Trust Special Situations Trust,  Series
     18).

1.4     Copy  of  Articles  of Incorporation of  Nike  Securities
     Corporation,  the  general partner of Nike Securities  L.P.,
     Depositor (incorporated by reference to Amendment No.  1  to
     Form  S-6  [File No. 33-42683] filed on behalf of The  First
     Trust Special Situations Trust, Series 18).

1.5     Copy  of  By-Laws  of  Nike Securities  Corporation,  the
     general   partner   of  Nike  Securities   L.P.,   Depositor
     (incorporated by reference to Amendment No. 1  to  Form  S-6
     [File  No.  33-42683] filed on behalf  of  The  First  Trust
     Special Situations Trust, Series 18).

1.6_     Underwriter  Agreement  (incorporated  by  reference  to
     Amendment  No.  1 to Form S-6 [File No. 33-43289]  filed  on
     behalf of The First Trust Combined Series 145).

2.1     Copy of Certificate of Ownership (included in Exhibit 1.1
     filed  herewith  on  page  2  and  incorporated  herein   by
     reference).
                                
                               S-4

3.1_    Opinion  of  counsel as to legality of  securities  being
     registered.

3.3_    Opinion  of counsel as to New York income tax  status  of
     securities being registered.

3.4_   Opinion of counsel as to advancement of funds by Trustee.

4.1_   Consent of Securities Evaluation Service, Inc.

6.1     List  of  Directors and Officers of Depositor  and  other
     related  information (incorporated by reference to Amendment
     No. 1 to Form S-6 [File No. 33-42683] filed on behalf of The
     First Trust Special Situations Trust, Series 18).

7.1     Power of Attorney executed by the Director listed on page
     S-3   of   this  Registration  Statement  (incorporated   by
     reference to Amendment No. 1 to Form S-6 [File No. 33-42683]
     filed on behalf of The First Trust Special Situations Trust,
     Series 18).







________________________
   To be filed by amendment.
                                
                               S-5





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