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 SpeedFlex Throwback 2017-2023 Helmet that was personally autographed by Calvin Johnson. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs. FREE SHIPPING within the USA on orders over $10!