Tony Dorsett Autographed 8/29/1981 Ticket Stub vs Oilers Beckett Slab 39215 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is the exact item that you will receive so please see scans for condition. This is a 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.