Davante Adams Autographed Las Vegas Raiders Speed Mini Helmet Beckett 38034 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 Las Vegas Raiders speed mini helmet that was personally autographed by Davante Adams. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.