Justin Jefferson Autographed Minnesota Vikings 16x20 Photo BAS 39348 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 Denver Broncos autographed jersey that was personally autographed by Randy Gradishar. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.