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 Purdue Boilermakers Authentic Full Size Helmet that was personally autographed by Aidan O'Connell includes "Boiler Up, Hammer Down" inscription. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.