Chase Claypool Signed Notre Dame Irish Matte Mini Helmet Beckett 40700 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 an University of Notre Dame FIghting Irish Matte Speed Mini Helmet that was personally autographed by Chase Claypool. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.