Oklahoma Sooners Signed Mini Helmet Owens Sims & White Heisman BAS 31351 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is an Oklahoma Sooners mini helmet that was personally autographed by Steve Owens, Jason White and Billy Sims with Heisman inscriptions. Includes a certificate of authenticity from Beckett Authentication Services (BAS) and Denver Autographs.