Aidan O'Connell Signed Purdue Boilermakers Chrome Mini Helmet Beckett 43667 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 a Purdue Boilermakers Gold Chrome Mini Helmet that was personally autographed by Aidan O'Connell. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.