Adrian Peterson Autographed 10/21/07 "ROY" Slab Ticket Stub Beckett 40883 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 Minnesota Vikings slabbed ticket stub dated 10/21/2007 vs. Dallas Cowboys that was personally autographed by Adrian Peterson with "ROY" inscription. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.