A Dallas Cowboys Throwback Replica white NFL Helmet hand signed by the Michael Irvin. The item and signature are in excellent condition. Michael played college football at the University of Miami, and then for the Dallas Cowboys of the NFL, he is a 3x SB Champ & 5x Pro Bowler. AUTHENTICATION: The item is accompanied by a Certificate of Authenticity - Serial Numbered and Databased Hologram - Picture of Michael from the signing.