John Elway Autographed Denver Broncos Authentic Pewter Helmet HOF MM 31839 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 pewter helmet with the current logo on one side and the throwback d-logo on the other that was personally autographed by John Elway with HOF inscription. Includes a Mounted Memories hologram and a certificate of authenticity from Denver Autographs.