EXHIBIT 99.6

 
                        CROWN CORK & SEAL COMPANY, INC.

                             Officers' Certificate
                             ---------------------

     The undersigned, Craig R.L. Calle, the duly qualified and elected Senior
Vice President-Finance and Treasurer of Crown Cork & Seal Company, Inc., a
Pennsylvania corporation (the "Company"), and William T. Gallagher, the duly
qualified and elected Assistant Secretary and Assistant General Counsel of the
Company, pursuant to the authority granted by the Board of Directors of the
Company on December 12, 1996, in accordance with Section 3.01 of the Indenture,
dated as of December 17, 1996, among the Company, Crown Cork & Seal Finance PLC,
a public limited company organized under the laws of England and Wales, Crown
Cork & Seal Finance S.A., a societe anonyme organized under the laws of the
Republic of France, and The Bank of New York, as trustee (the "Indenture"),
hereby certify as follows:

          1.   The title of the Securities to be issued by the Company is the 
               7-3/8% Debentures Due 2026 (the "Debentures").

          2.   The aggregate principal amount of Debentures which may be
               authenticated and delivered under the Indenture is U.S.
               $350,000,000 (except for Securities authenticated and delivered
               upon registration of transfer of, or in exchange for, or in lieu
               of, the Debentures pursuant to Sections 3.04, 3.05, 3.06, 9.06,
               11.07 or 11.10 of the Indenture).

          3.   The principal of the Debentures shall be payable on December 15,
               2026.

          4.   The Debentures shall bear interest from December 17, 1996, their
               date of issue, at the annual rate of 7-3/8%.  Interest shall be
               payable semi-annually on December 15 and June 15 of each year,
               commencing June 15, 1997, to holders of record on the preceding
               December 1 or June 1, as the case may be.

          5.   The place for payment of principal of and interest on the
               Debentures and surrender for exchange of the Debentures shall be
               as specified in the Debentures.

          6.   The Debentures shall be subject to redemption at the option of
               the Company prior to maturity pursuant to Section 11.09 of the
               Indenture, at a rate equal to the Treasury Rate plus 15 basis
               points.

          7.   The Company shall not be obligated to redeem or purchase the
               Debentures pursuant to any sinking fund or at the option of the
               holder thereof.

 
          8.   The Debentures shall be subject to the Events of Default set
               forth in Section 5.01 of the Indenture, to the covenants of the
               Company set forth in Article X of the Indenture, and to the
               provisions of Section 10.12 of the Indenture.

          9.   The Notes shall be issued in permanent form to the Depository
               Trust Company ("DTC") or its nominee, as Depositary, in the form
               of two Global Securities (as defined in the Indenture and
               pursuant to Section 3.11 thereof) in the amount of $200,000,000
               and $150,000,000, respectively, and without interest coupons.
               Beneficial interests in the Notes will trade in the DTC's Same-
               Day Funds Settlement System.  Upon the written instructions of
               the Company, the Depositary for such Global Securities will
               surrender the Global Securities in exchange in whole or in part
               for Securities in definitive form.

          10.  The provisions of Section 4.01 relating to the satisfaction and
               discharge of Securities of any series shall apply to the
               Debentures.

          Capitalized terms not otherwise defined herein have the meanings set
forth in the Indenture.

 
          IN WITNESS WHEREOF, I have affixed my signature hereto this 17th day
of December, 1996.


                                    /s/Craig R.L. Calle 
                                    ----------------------------    
                                    Craig R.L. Calle                
                                    Senior Vice President - Finance 
                                    and Treasurer                   
                                                                    
                                    /s/William T. Gallagher
                                    -------------------------       
                                    William T. Gallagher
                                    Assistant Secretary and
                                    Assistant General Counsel