Adrian Peterson Autographed 09/14/14 Slab Ticket Stub Beckett 40878 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 09/14/2014 vs. New England Patriots that was personally autographed by Adrian Peterson. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.