Joey Bosa Autographed 2016 Panini Prizm #228 Rookie Card BAS Slab 32341 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a 2016 Panini Prizm rookie trading card that was personally autographed by Joey Bosa. This has been professionally slabbed by Beckett Authentication Services (BAS) and includes a certificate of authenticity from Denver Autographs.