Jameson Williams Autographed/Signed Pro Style Blue XL Jersey Beckett 40168 The number in the listing title is just an inventory sku for our records and is not the authentication number. The item pictured is a stock photo unless otherwise noted. This is a custom pro style Blue XL jersey with silver colored sewn on name and numbers that was personally autographed by Jameson Williams. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.