Jan Stenerud Autographed/Signed Pro Style Red XL Jersey HOF BAS 33087 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a custom pro style red XL jersey with sewn on name and numbers that was personally autographed by Jan Stenerud with HOF inscription. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.