KENNY INFORMATION SYSTEMS
(A Division of J.J. Kenny Co., Inc.)
October 6, 2000
PaineWebber Incorporated
Unit Trust Department
1200 Harbor Blvd.
Weehawken, New Jersey 07087
RE: THE MUNICIPAL BOND TRUST, SERIES 233
Gentlemen:
We have examined the post-effective Amendment to the Registration
Statement File No. 33-43473 for the above-captioned trust. We
hereby acknowledge that Kenny Information Systems, a division of
J.J. Kenny Co., Inc. is currently acting as the evaluator for the trust.
We hereby consent to the use in the Amendment of the reference to
Kenny Information Systems, a division of J.J. Kenny Co. Inc., as
evaluator.
In addition, we hereby confirm that the ratings indicated in the
above-referenced Amendment to the Registration Statement for the
respective bonds comprising the trust portfolio are the ratings
currently indicated in our KENNYBASE database.
You are hereby authorized to file a copy of this letter with the
Securities and Exchange Commission.
Sincerely,
/s/ JOHN R. FITZGERALD
John R. Fitzgerald
Senior Vice President