Adrian Peterson Signed Minnesota Vikings Mini Helmet w/insc Beckett 40203 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 Minnesotta Vikings speed mini helmet that was personally autographed by Adrian Peterson with "2007 ROY" inscription. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.