Denver Broncos SB MVP Signed Authentic Helmet Elway Davis Miller BAS 32851 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a Denver Broncos full size authentic speed helmet helmet that was personally autographed by John Elway, Terrell Davis and Von Miller with MVP inscriptions. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.