Troy Polamalu Autographed/Signed College Style Red XL Jersey Beckett BAS 33998 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a custom college style red XL jersey with sewn on name and numbers that was personally autographed by Troy Polamalu. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.