Oklahoma Sooners Heisman Signed 16x20 Photo Owens Sims White JSA 36424 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 16x20 photo that was personally autographed by Steve Owens, Billy Sims and Jason White. Includes a certificate of authenticity from James Spence Authentication (JSA) and Denver Autographs.