The product is a custom Billy Sims signed jersey from the Oklahoma Sooners football team, complete with his Heisman Trophy and personalized inscription. Authenticated by James Spence Authentication (JSA), this original autographed jersey is a must-have for fans and collectors of sports memorabilia. With the added value of a Heisman Trophy winner's autograph and inscription, this item holds special significance for those who admire Billy Sims and the Oklahoma Sooners.