SEARS TAX EXEMPT INVESTMENT TRUST INSURED NEW JERSEY SER 7, 497J, 1994-06-09

SEARS TAX EXEMPT INVESTMENT TRUST INSURED NEW JERSEY SER 7
497J, 1994-06-09

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                                             Rule 497(j)
                                             Reg. No. 33-38578
                                             Reg. No. 33-38860    
                              

Pursuant to Rule 497 (j) promulgated under the Securities Act of
1933, the Registrant, Dean Witter Select Municipal Trust, Insured
New Jersey Series 7 and Long Term Portfolio Series 109, hereby
certifies as follows:

1)   the form of prospectus that would have been filed under
     paragraph (b) of Rule 497 does not differ from that
     contained in the most recent amendment to the registration
     statement, and

2)   the text of the said amendment to the registration statement
     has been filed electronically.


                         DEAN WITTER SELECT MUNICIPAL TRUST,
                         INSURED NEW JERSEY SERIES 7
                         LONG TERM PORTFOLIO SERIES 109
                              
                         By:  Dean Witter Reynolds Inc.
                              (Depositor)


                              Michael D. Browne
                              Michael D. Browne
                              Authorized Signatory