Oj Simpson Autographed Buffalo Bills F/S Throwback Helmet JSA 42707 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 Throwback Full Size Replica Helmet that was personally autographed by OJ Simpson. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.