Adrian Peterson Autographed Minnesota Vikings 8x10 Photo Beckett 42533 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 8x10 Photo that was personally autographed by Adrian Peterson. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.