Tony Dorsett Autographed Ticket 12/12/77 Dallas Cowboys BAS Slabbed 39934 The number in the listing title is just an inventory sku for our records and is not the authentication number. The item pictured is a stock photo unless otherwise noted. This is a Ticket Stub that was personally autographed by Tony Dorsett. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.