Jack Lambert Autographed Pittsburgh Steelers F/S Flat White Helmet HOF JSA 28216 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a Pittsburgh Steelers full size Flat White replica helmet that was personally autographed by Jack Lambert with HOF inscription. Includes a certificate of authenticity from James Spence Authentication (JSA) and Denver Autographs.