Shannon Sharpe Signed Denver Broncos Authentic Speed Helmet Insc BAS 31541 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 that was personally autographed by Shannon Sharpe with Mr President we are Killing the Patriots inscription. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.