O.J. Simpson Autographed/Signed USC Trojans Mini Helmet Beckett 41214 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 an USC Trojans Mini Helmet that was personally autographed by O.J. Simpson. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.