Butch Johnson Autographed/Signed Pro Style White XL Jersey SB Champs BAS 33983 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 white XL jersey with sewn on name and numbers that was personally autographed by Butch Johnson. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.