Adrian Peterson Signed Minnesota Vikings Salute Mini Helmet Beckett 42365 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 Salute to Service Mini Helmet that was personally autographed by Adrian Peterson. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.