Adrian Peterson Signed Vikings Authentic Lunar Helmet ROY MVP Beckett 34937 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 full size authentic lunar speed helmet that was personally autographed by Adrian Peterson with ROY and MVP inscriptions. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.