Kurt Warner Autographed/Signed Iowa Barnstormers Mini Cowbell Beckett 40723 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 Iowa Barnstormer Mini Cowbell that was personally autographed by Kurt Warner. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.