Jared Allen Autographed Kansas City Chiefs AMP Mini Helmet Beckett 37665 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 Kansas City Chiefs AMP mini helmet that was personally autographed by Jared Allen. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.