DK Metcalf Autographed/Signed Seattle Seahawks 8x10 Photo Beckett 37706 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 8x10 photo that was personally autographed by DK Metcalf. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.