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PROSPECTUS SUPPLEMENT                          This Prospectus Supplement
FOR THE PERIOD ENDING                          filed pursuant to Rule 424(b)(3),
AUGUST 31, 1996 TO                             relates to Registration Statement
PROSPECTUS DATED                               No. 33-43136-02 and the
OCTOBER 8, 1991                                Prospectus dated October 8, 1991


                       SECURITIES AND EXCHANGE COMMISSION
                             450 Fifth Street, N.W.
                            Washington, D.C.  20549


                                    FORM 8-K

                                 CURRENT REPORT

                     Pursuant to Section 13 or 15(d) of the
                        Securities Exchange Act of 1934


      Date of Report (Date of earliest event reported): September 16, 1996



                           DISCOVER CARD TRUST 1991 D
                           --------------------------
             (Exact name of registrant as specified in its charter)





Delaware                        0-19734                     Not Applicable
- -------                         -------                     --------------
(State of                       (Commission                 (IRS Employer
organization)                   File Number)                Identification No.)



c/o Discover Receivables Financing Group, Inc.
12 Read's Way
New Castle, Delaware                              19720   
- ---------------------------------------------------------
(Address of principal executive offices)        (Zip Code)

Registrant's telephone number, including area code: (302) 323-7826



                                 Not Applicable                  
                   ----------------------------------------------
         (Former name or former address, if changed since last report)





                                  Page 1 of 15
                         Index to Exhibits is on page 4
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Item 5. Other Events

On September 16, 1996 the Registrant made available the Monthly
Certificateholders' Statement for the Due Period of August 1996, which is
attached as Exhibit 21 hereto.

Item 7.  Financial Statements and Exhibits

(c) Exhibits

Exhibit No.     Description

21              Monthly Certificateholders' Statement for Discover Card Trust
                1991 D related to the Due Period ending August 31, 1996.





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                                   SIGNATURES

        Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed
on its behalf by the undersigned, thereunto duly authorized.



                         DISCOVER CARD TRUST 1991 D
                               (Registrant)



                         By:   DISCOVER RECEIVABLES FINANCING
                               GROUP, INC.
                               as originator of the Trust


                         By:           Birendra Kumar              
                               ------------------------------------
                               Birendra Kumar
                               Vice President and Treasurer





Date: September 16, 1996




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                                 EXHIBIT INDEX

Exhibit No.     Description
- -----------     -----------

21              Monthly Certificateholders' Statement for Discover Card Trust
                1991 D related to the Due Period ending August 31, 1996.





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