Josh Allen Autographed Buffalo Bills Authentic Flash Helmet Beckett 38027 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 Buffalo Bills full size authentic flash speed helmet that was personally autographed by Josh Allen. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.