Dat Nguyen Autographed/Signed Dallas Cowboys Spd Mini Helmet Beckett 40698 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 Dallas Cowboys Speed Mini Helmet that was personally autographed by Dat Nguyen. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.