<PAGE>
NUVEEN FLORIDA NUVEEN
INSURED UNIT TRUST 243 937
- --------------------------------------------------------------------------------
<TABLE>
<S> <C>
RATED: "AAA" NUVEEN TAX-FREE UNIT TRUSTS:
All bonds in this Unit Trust are insured by MBIA For the tax-sensitive, conservative investor.
Insurance Corporation. As a result, the bonds are - Tax-Free
rated Aaa by Moody's Investors Service, Inc. - Dependable Income
and/or AAA by Standard & Poor's, the highest - Diversified Portfolios
rating given by each agency. - Top-Rated Municipal Bonds
ESTIMATED CURRENT RETURN: DATE OF DEPOSIT: May 5, 1997
5.12 - 5.33%
ESTIMATED LONG-TERM RETURN:
5.19 - 5.44%
</TABLE>
UNITS OF THE TRUST ARE NOT DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED OR ENDORSED
BY, ANY BANK AND ARE NOT FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FDIC OR
ANY OTHER FEDERAL AGENCY AND INVOLVE INVESTMENT RISK, INCLUDING THE POSSIBLE
LOSS OF PRINCIPAL.
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QUICK FACTS ABOUT THIS UNIT TRUST
<TABLE>
<S> <C>
Tax Status Income is exempt from federal income tax. Capital
gains are taxable.
Total Principal $3,500,000 in 35,000 units
Average Life 29.0 years
Call Protection Earliest ordinary optional call is 2005
Minimum $5,000 or 50 units, whichever is lower
Investment
Offering Price $100.25 to $97.29 depending on the purchase amount
Cusip 6706H6 310 monthly payment plan
Numbers 6706H6 328 quarterly payment plan
6706H6 336 semi-annual payment plan
Insurance Individual bonds (not units) are fully insured by
MBIA Insurance Corporation, which guarantees
timely payment of interest and principal.
Registration Registered in Florida
</TABLE>
<TABLE>
<S> <C>
Payment Investors may choose to receive monthly, quarterly
Plans or semi-annual interest payments.
Bond Calls Most municipal bonds are subject to optional bond
calls. Bonds are usually called at a premium price
and generally not below par value.
Sales Charge The sales charge is a one-time expense included in
the Public Offering Price.
Letter Investors may use a Letter of Intent to get
of Intent reduced sales charges on purchases made over a
(LOI) 13-month period (and to take advantage of dollar
cost averaging). Minimum LOI investment $50,000.
Redemptions Units can be redeemed on any business day at no
charge. Units are redeemed at their current market
value.
Reinvestment Interest income and returned principal can be
reinvested with no sales charge into Nuveen tax-
free mutual or money market funds. For more
information obtain a prospectus.
</TABLE>
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<TABLE>
<S> <C>
MATURITY DATES (Description of Chart)
2019-20 15.0%
2021-22 13.6%
2023-24 0.0%
2025-26 42.8%
2027+ 28.6%
The earliest ordinary optional call date is 2005
YIELD COMPARISON AS OF 05/02/97*
(Description of Yield Comparison Chart)
Nuveen UIT
Yield 5.12%
Tax Equivalent Yield 8.00%
Treasury Bonds
Yield 6.91%
Tax Equivalent Yield
Corporate Bonds
Yield 7.75%
</TABLE>
<PAGE>
*COMPARES TRUST AS OF 05/02/97 WITH 30-YEAR TREASURY BONDS AND LEHMAN BROTHERS
INVESTMENT GRADE LONG CORPORATE BOND INDEX AS OF 05/01/97. ASSUMES 36.0%
FEDERAL INCOME TAX RATE. TREASURY BONDS ARE SUBJECT TO FEDERAL BUT NOT STATE
INCOME TAXES; CORPORATE BONDS ARE GENERALLY SUBJECT TO BOTH. TREASURY BONDS,
UNLIKE MUNICIPAL BONDS, ARE GUARANTEED BY THE U.S. GOVERNMENT.
CALL 1.800.257.8787 FOR A PROSPECTUS CONTAINING MORE COMPLETE INFORMATION
INCLUDING CHARGES AND EXPENSES.
READ THE PROSPECTUS CAREFULLY BEFORE INVESTING.
<PAGE>
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BONDS THIS FLORIDA INSURED UNIT TRUST CONTAINS
<TABLE>
<CAPTION>
RATINGS
PRINCIPAL EARLIEST CALL ----------
AMOUNT BOND ISSUE DATE AND PRICE S&P MOODY'S
<C> <S> <C> <C><C>
----------------------------------------------------------------------------------------------------------------
$ 475,000 State of Florida, Full Faith and Credit, State Board of Education, Public 2005 at 101 AAA Aaa
Education Capital Outlay Refunding Bonds, 1995 Series D, 4.75% Due 6/1/22.
(Original issue discount bonds delivered on or about December 28, 1995 at a
price of 93.028% of principal amount.)(General Obligation Bonds.)
500,000 The School Board of Dade County, Florida, Certificates of Participation, 2006 at 101 AAA Aaa
Series 1996A, 5.50% Due 5/1/25. (Original issue discount bonds delivered on
or about May 1, 1996 at a price of 93.818% of principal amount.)
500,000 Dade County, Florida, Water and Sewer System Revenue Bonds, Series 1997, 2007 at 101 AAA Aaa
5.25% Due 10/1/26. (Original issue discount bonds delivered on or about
January 30, 1997 at a price of 93.586% of principal amount.)
500,000 City of Lakeland, Florida, Hospital Revenue Refunding Bonds (Lakeland 2006 at 102 AAA Aaa
Regional Medical Center Project), Series 1996, 5.25% Due 11/15/25.
500,000 City of Lakeland, Florida, Electric and Water Revenue Bonds, Series 1996, 2006 at 102 AAA Aaa
5.625% Due 10/1/36.
525,000 Port of Palm Beach District (Palm Beach County, Florida), Revenue 2006 at 101 AAA Aaa
Improvement Bonds, Series 1996 A, 5.50% Due 9/1/19.
500,000 City of Pensacola, Florida, Airport Revenue Bonds, Series 1997A, 5.75% Due 2007 at 102 AAA Aaa
10/1/27. (When issued.)
----------------------------------------------------------------------------------------------------------------
$ 3,500,000 TOTAL 7 BONDS FROM FLORIDA.
</TABLE>
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HOW TO DETERMINE YOUR INCOME AND YIELD
HOW TO CALCULATE YOUR RETURN
<TABLE>
<S> <C>
The estimated current return is the net income the sales charge, and returns are as of 05/02/97.
divided by the offering price. Estimated long-term As of this date, Units are offered at the public
return is a measure of the return to the investor offering price plus accrued interest to the
expected to be earned over the estimated life of settlement date of $.04. Returns and prices will
the Unit Trust. The public offering prices, which fluctuate.
include
</TABLE>
<TABLE>
<CAPTION>
Public Estimated Return (CURRENT/Long Term)
Breakpoints Offering Sales -------------------------------------------------
Units / Dollars Price Charge Monthly Plan Quarterly Plan Semi-Annual Plan
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
50 / $5,000 $ 100.25 4.90 % 5.12% 5.19% 5.15% 5.22% 5.17% 5.24 %
500 / $50,000 100.09 4.75 5.13 5.19 5.16 5.22 5.18 5.24
1,000 / $100,000 99.83 4.50 5.14 5.21 5.18 5.24 5.20 5.26
2,500 / $250,000 99.57 4.25 5.16 5.23 5.19 5.26 5.21 5.28
5,000 / $500,000 98.80 3.50 5.20 5.29 5.23 5.32 5.25 5.34
10,000 / $1,000,000 98.29 3.00 5.22 5.32 5.26 5.35 5.28 5.37
25,000 / $2,500,000 97.78 2.50 5.25 5.36 5.28 5.39 5.30 5.41
50,000 / $5,000,000 97.29 2.00 5.28 5.39 5.31 5.42 5.33 5.44
</TABLE>
HOW TO DETERMINE YOUR
TAXABLE EQUIVALENT YIELD
The table shows the approximate yield an investor must get from a taxable
investment to match the estimated current return from this Unit Trust.
<TABLE>
<CAPTION>
Taxable Equivalent Yield (by tax
UNIT TRUST bracket)
RETURN 28.0% 31.0% 36.0% 39.6%
<C> <S> <C> <C> <C> <C>
5.12 % 7.11% 7.42% 8.00% 8.48 %
5.13 7.13 7.43 8.02 8.49
5.14 7.14 7.45 8.03 8.51
5.16 7.17 7.48 8.06 8.54
5.20 7.22 7.54 8.13 8.61
5.22 7.25 7.57 8.16 8.64
5.25 7.29 7.61 8.20 8.69
5.28 7.33 7.65 8.25 8.74
</TABLE>
JOHN NUVEEN & CO. INCORPORATED
333 WEST WACKER DRIVE, CHICAGO, IL 60606
HOW TO CALCULATE YOUR INCOME
The table shows expected interest payments for monthly, quarterly and
semi-annual plans. Payments will remain relatively constant as long as the Unit
Trust's size, composition and expenses remain the same. The first record date is
06/01/97.
<TABLE>
<CAPTION>
Annual
First Payment Payment Income
Payment Plan Date (per unit) (per unit)
<S> <C> <C> <C> <C>
Initial partial
payment (all
plans) 6/15/97 $ .3707
Monthly plan 7/15/97 .4278 $ 5.1354
Quarterly plan 8/15/97 .8610
11/15/97 1.2915 5.1674
Semi-annual plan 11/15/97 2.1600
5/15/98 2.5920 5.1864
EXAMPLE OF HOW TO CALCULATE YOUR ESTIMATED INCOME:
$10,000 DIVIDED BY 100.29 = 99.710
investment offering price # of units
(as of and accrued purchased
05/02/97) interest
99.710 X $5.1354 = $512.05
# of units annual income annual income
purchased per unit
(monthly plan)
</TABLE>
<PAGE>
NUVEEN NEW YORK NUVEEN
INSURED UNIT TRUST 268 937
- --------------------------------------------------------------------------------
<TABLE>
<S> <C>
RATED: "AAA" NUVEEN TAX-FREE UNIT TRUSTS:
All bonds in this Unit Trust are insured by MBIA For the tax-sensitive, conservative investor.
Insurance Corporation. As a result, the bonds are - Double Tax-Free
rated Aaa by Moody's Investors Service, Inc. - Dependable Income
and/or AAA by Standard & Poor's, the highest - Diversified Portfolios
rating given by each agency. - Top-Rated Municipal Bonds
ESTIMATED CURRENT RETURN: DATE OF DEPOSIT: May 5, 1997
5.21 - 5.42%
ESTIMATED LONG-TERM RETURN:
5.23 - 5.50%
</TABLE>
UNITS OF THE TRUST ARE NOT DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED OR ENDORSED
BY, ANY BANK AND ARE NOT FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FDIC OR
ANY OTHER FEDERAL AGENCY AND INVOLVE INVESTMENT RISK, INCLUDING THE POSSIBLE
LOSS OF PRINCIPAL.
- --------------------------------------------------------------------------------
QUICK FACTS ABOUT THIS UNIT TRUST
<TABLE>
<S> <C>
Tax Status Income is exempt from federal and state income
taxes. Capital gains are taxable.
Total Principal $3,500,000 in 35,000 units
Average Life 24.9 years
Call Protection Earliest ordinary optional call is 2005
Minimum $5,000 or 50 units, whichever is lower
Investment
Offering Price $100.90 to $97.92 depending on the purchase amount
Cusip 67102K 556 monthly payment plan
Numbers 67102K 564 quarterly payment plan
67102K 572 semi-annual payment plan
Insurance Individual bonds (not units) are fully insured by
MBIA Insurance Corporation, which guarantees
timely payment of interest and principal.
Registration Registered in New York
</TABLE>
<TABLE>
<S> <C>
Payment Investors may choose to receive monthly, quarterly
Plans or semi-annual interest payments.
Bond Calls Most municipal bonds are subject to optional bond
calls. Bonds are usually called at a premium price
and generally not below par value.
Sales Charge The sales charge is a one-time expense included in
the Public Offering Price.
Letter Investors may use a Letter of Intent to get
of Intent reduced sales charges on purchases made over a
(LOI) 13-month period (and to take advantage of dollar
cost averaging). Minimum LOI investment $50,000.
Redemptions Units can be redeemed on any business day at no
charge. Units are redeemed at their current market
value.
Reinvestment Interest income and returned principal can be
reinvested with no sales charge into Nuveen tax-
free mutual or money market funds. For more
information obtain a prospectus.
</TABLE>
- --------------------------------------------------------------------------------
<TABLE>
<S> <C>
MATURITY DATES (Description of Chart)
2015-16 23.6%
2017-18 0.0%
2019-20 0.0%
2021-22 33.5%
2023+ 42.9%
The earliest ordinary optional call date is 2005
YIELD COMPARISON AS OF 05/02/97*
(Description of Yield Comparison Chart)
Nuveen UIT
Yield 5.21%
Tax Equivalent Yield 8.76%
Treasury Bonds
Yield 6.91%
Tax Equivalent Yield 7.42%
Corporate Bonds
Yield 7.75%
</TABLE>
<PAGE>
*COMPARES TRUST AS OF 05/02/97 WITH 30-YEAR TREASURY BONDS AND LEHMAN BROTHERS
INVESTMENT GRADE LONG CORPORATE BOND INDEX AS OF 05/01/97. ASSUMES 40.5%
FEDERAL AND STATE INCOME TAX RATE AND A 6.85% STATE INCOME TAX RATE. TREASURY
BONDS ARE SUBJECT TO FEDERAL BUT NOT STATE INCOME TAXES; CORPORATE BONDS ARE
GENERALLY SUBJECT TO BOTH. TREASURY BONDS, UNLIKE MUNICIPAL BONDS, ARE
GUARANTEED BY THE U.S. GOVERNMENT.
CALL 1.800.257.8787 FOR A PROSPECTUS CONTAINING MORE COMPLETE INFORMATION
INCLUDING CHARGES AND EXPENSES.
READ THE PROSPECTUS CAREFULLY BEFORE INVESTING.
<PAGE>
- --------------------------------------------------------------------------------
BONDS THIS NEW YORK INSURED UNIT TRUST CONTAINS
<TABLE>
<CAPTION>
RATINGS
PRINCIPAL EARLIEST CALL ----------
AMOUNT BOND ISSUE DATE AND PRICE S&P MOODY'S
<C> <S> <C> <C><C>
----------------------------------------------------------------------------------------------------------------
$ 500,000 Dormitory Authority of the State of New York, Pace University, Insured 2007 at 102 AAA Aaa
Revenue Bonds, Series 1997, 5.75% Due 7/1/26. (When issued.)
325,000 Dormitory Authority of the State of New York, State University Educational 2005 at 102 AAA Aaa
Facilities Revenue Bonds, Series 1995A, 6.00% Due 5/15/16.
500,000 New York State Energy Research and Development Authority, Gas Facilities 2006 at 102 AAA Aaa
Revenue Bonds, 1996 Series (The Brooklyn Union Gas Company Project), 5.50%
Due 1/1/21.
500,000 New York State Thruway Authority, Highway and Bridge Trust Fund Bonds, 2005 at 102 AAA Aaa
Series 1995A, 5.50% Due 4/1/15.
500,000 Metropolitan Transportation Authority (New York), Commuter Facilities 2007 at 101 AAA Aaa
Revenue Bonds, Series 1997A, 5.75% Due 7/1/21. 1/2
500,000 The City of New York (New York), General Obligation Bonds, Fiscal 1997 2007 at 101 AAA Aaa
Series I, 6.25% Due 4/15/27.
500,000 New York City (New York), Municipal Water Finance Authority, Water and 2006 at 101 AAA Aaa
Sewer System Revenue Bonds, Fiscal 1996 Series B, 5.875% Due 6/15/26.
(Original issue discount bonds delivered on or about May 16, 1996 at a
price of 93.908% of principal amount.)
175,000 Triborough Bridge and Tunnel Authority (New York), General Purpose Revenue No Optional AAA Aaa
Bonds, Series 1993B, 0.00% Due 1/1/21. (Original issue discount bonds Call
delivered on or about November 9, 1993 at a price of 22.627% of principal
amount.)
----------------------------------------------------------------------------------------------------------------
$ 3,500,000 TOTAL 8 BONDS FROM NEW YORK.
</TABLE>
- --------------------------------------------------------------------------------
HOW TO DETERMINE YOUR INCOME AND YIELD
HOW TO CALCULATE YOUR RETURN
<TABLE>
<S> <C>
The estimated current return is the net income the sales charge, and returns are as of 05/02/97.
divided by the offering price. Estimated long-term As of this date, Units are offered at the public
return is a measure of the return to the investor offering price plus accrued interest to the
expected to be earned over the estimated life of settlement date of $.04. Returns and prices will
the Unit Trust. The public offering prices, which fluctuate.
include
</TABLE>
<TABLE>
<CAPTION>
Public Estimated Return (CURRENT/Long Term)
Breakpoints Offering Sales -------------------------------------------------
Units / Dollars Price Charge Monthly Plan Quarterly Plan Semi-Annual Plan
<S> <C> <C> <C> <C> <C> <C> <C> <C> <C> <C>
50 / $5,000 $ 100.90 4.90 % 5.21% 5.23% 5.24% 5.26% 5.26% 5.28 %
500 / $50,000 100.75 4.75 5.22 5.24 5.25 5.27 5.27 5.29
1,000 / $100,000 100.48 4.50 5.23 5.26 5.26 5.29 5.28 5.31
2,500 / $250,000 100.22 4.25 5.24 5.28 5.28 5.31 5.30 5.33
5,000 / $500,000 99.44 3.50 5.29 5.34 5.32 5.37 5.34 5.39
10,000 / $1,000,000 98.93 3.00 5.31 5.38 5.35 5.41 5.36 5.43
25,000 / $2,500,000 98.42 2.50 5.34 5.42 5.37 5.45 5.39 5.46
50,000 / $5,000,000 97.92 2.00 5.37 5.45 5.40 5.48 5.42 5.50
</TABLE>
HOW TO DETERMINE YOUR
TAXABLE EQUIVALENT YIELD
The table shows the approximate yield an investor must get from a taxable
investment to match the estimated current return from this Unit Trust.
<TABLE>
<CAPTION>
Taxable Equivalent Yield (by tax
UNIT TRUST bracket)
RETURN 33.0% 35.5% 40.5% 43.5%
<C> <S> <C> <C> <C> <C>
5.21 % 7.78% 8.08% 8.76% 9.22 %
5.22 7.79 8.09 8.77 9.24
5.23 7.81 8.11 8.79 9.26
5.24 7.82 8.12 8.81 9.27
5.29 7.90 8.20 8.89 9.36
5.31 7.93 8.23 8.92 9.40
5.34 7.97 8.28 8.97 9.45
5.37 8.01 8.33 9.03 9.50
</TABLE>
JOHN NUVEEN & CO. INCORPORATED
333 WEST WACKER DRIVE, CHICAGO, IL 60606
HOW TO CALCULATE YOUR INCOME
The table shows expected interest payments for monthly, quarterly and
semi-annual plans. Payments will remain relatively constant as long as the Unit
Trust's size, composition and expenses remain the same. The first record date is
06/01/97.
<TABLE>
<CAPTION>
Annual
First Payment Payment Income
Payment Plan Date (per unit) (per unit)
<S> <C> <C> <C> <C>
Initial partial
payment (all
plans) 6/15/97 $ .3796
Monthly plan 7/15/97 .4380 $ 5.2564
Quarterly plan 8/15/97 .8808
11/15/97 1.3212 5.2884
Semi-annual plan 11/15/97 2.2110
5/15/98 2.6532 5.3074
EXAMPLE OF HOW TO CALCULATE YOUR ESTIMATED INCOME:
$10,000 DIVIDED BY 100.94 = 99.068
investment offering price # of units
(as of and accrued purchased
05/02/97) interest
99.068 X $5.2564 = $520.74
# of units annual income annual income
purchased per unit
(monthly plan)
</TABLE>
