Casey Wiegmann Autographed Denver Broncos Super Grip Football Beckett 37883 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is the exact item that you will receive so please see pictures for condition. This is a super grip football that was personally autographed by Casey Wiegmann. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.