DK Metcalf Autographed 2019 Panini Absolute Rookie Card BAS Slab 31646 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a 2019 Panini Absolute rookie trading card that was personally autographed by DK Metcalf. This has been professionally slabbed by Beckett Authentication Services (BAS) and includes a certificate of authenticity from Denver Autographs.