John Elway Signed Denver Broncos Authentic Speed Flex Helmet Beckett 38754 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 authentic speed flex helmet that was personally autographed by John Elway. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.