Tony Dorsett Signed Dallas Cowboys Ticket 8/19/78 vs Oilers BAS Slab 39457 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 Dallas Cowboys vs. Houston Oilers ticket stub that was personally autographed by Tony Dorsett. This has been professionally slabbed by Beckett Authentication Services (BAS) and includes a certificate of authenticity from Denver Autographs.