O.J. Simpson Autographed/Signed Buffalo Bills Flash Mini Helmet JSA 36658 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 Buffalo Bills flash mini helmet that was personally autographed by OJ Simpson. Includes a certificate of authenticity from James Spence Authentication (JSA) and Denver Autographs.