A Dallas Cowboys Speed Authentic Alternate White NFL Helmet hand signed by Tony Dorsett. The item and signature are in excellent condition. Tony is a Heisman Trophy winner, Pro Bowler, All Pro, Super Bowl Champion as well as NCAA and NFL Hall of Fame Inductee. AUTHENTICATION: The item has been tagged with a SmarTag powered by Prova Technology, which gives you digital access to the items authentication records, including a proof picture from the signing.