Dak Prescott & Ceedee Lamb Signed Cowboys Authentic Eclipse Helmet BAS 37792 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 full size authentic eclipse speed helmet that was personally autographed by Dak Prescott and Ceedee Lamb. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.