Kurt Warner Autographed/Signed Pro Style TB White XL Jersey Beckett BAS 34235 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 throwback white XL jersey with sewn on name and numbers that was personally autographed by Kurt Warner. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.