Michael Mayer Signed Notre Dame Fighting Irish F/S Speed Helmet Beckett 39137 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 Notre Dame Fighting Irish full size speed replica helmet that was personally autographed by Michael Mayer with Play Like a Champion inscription. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.