AJ Brown Autographed 2019 Rookie Gear Prizm #20 Rookie Card Beckett Slab 33381 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 2019 Rookie Gear Prizm #20 trading card that was personally autographed by AJ Brown. This has been professionaly slabbed by Beckett Authentication Services (BAS) and includes a certificate of authenticity from Denver Autographs.