DK Metcalf Autographed/Signed Seattle Seahawks Camo Mini Helmet BAS 29548 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a Seattle Seahawks Camo mini helmet that was personally autographed by DK Metcalf. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.