TJ Hockenson Autographed/Signed Detroit Lions F/S Flash Speed Helmet BAS 34251 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a Detroit Lions full size flash speed replica helmet that was personally autographed by TJ Hockenson. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.