The number in the listing title is just an inventory sku for our records and is not the authentication number. There are multiple quanities 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 Batman Rubber Mask that was personally autographed by Ben Affleck. Please note that Ben Affleck signed his full signature on this item. Includes a certificate of authenticity / hologram from Beckett Authentication Services (BAS) and Denver Autographs. FREE SHIPPING within the USA on orders over $99!