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. There are multiple quantities of this item. Each of these items is unique because they are individually hand-signed. While the photographs accurately represent the item itself, please note that the signature's size, exact placement, and strength may differ on the one you receive. This is a Las Vegas Raiders Midi Helmet that was personally autographed by Rob Gronkowski. Includes a certificate of authenticity / hologram from Beckett Authentication Services (BAS) and Denver Autographs. This is a BAS Witnessed Protection Program item which means a Beckett Authentication Service representative was present when this item was being signed. FREE SHIPPING within the USA on orders over $10!