Alvin Kamara Signed New Orleans Saints Authentic Speed Helmet Beckett 38546 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 New Orleans Saints full size authentic speed helmet that was personally autographed by Alvin Kamara. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.