Mark Brunell Autographed/Signed Pro Style White XL Jersey BAS 40271 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 Jacksonville Jaguars white autographed jersey that was personally autographed by Mark Brunell. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.