Oj Simpson Autographed Buffalo Bills Throwback Mini Helmet JSA 42702 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 Mini Helmet that was personally autographed by OJ Simpson. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.