Tim Tebow Autographed Denver Broncos Speed Authentic Helmet BAS 40054 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 speed authentic helmet that was personally autographed by Tim Tebow. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.