Tony Dorsett Autographed 11/6/1977 vs Giants Ticket Stub Beckett 10 Slab 39263 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 pictures 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.