Terrell Davis Autographed Denver Broncos F/S Speed Helmet HOF BAS 24834 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 Denver Broncos full size speed replica helmet that was personally autographed by Terrell Davis with HOF inscription. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.