Joe Greene Autographed/Signed Pro Style Black XL Jersey HOF BAS 31148 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 black XL jersey with sewn on name and numbers that was personally autographed by Joe Greene with HOF inscription. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.