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 Detroit Lions Full Size '97-'13 Throwback Authentic SpeedFlex Helmet that was personally autographed by Calvin Johnson with "Megatron" inscription. Includes a certificate of authenticity from Beckett Grading Services (BAS) and Denver Autographs.