Chase Claypool Autographed Pittsburgh Steelers 16x20 Photo 4 TDs BAS 29373 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is an officially licensed 16x20 photo that was personally autographed by Chase Claypool with 4 TDs 10/11/2020 inscription. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.