A Stanford Cardinals Speed Replica NCAA Helmet hand signed by Zach Ertz. The item and signature are in excellent condition. Zach Ertz is a football tight end. He is a 2x Pro Bowler, and a Super Bowl (LII) Champion. AUTHENTICATION: The item is accompanied by a Zach Ertz Exclusive Certificate of Authenticity - Zach Ertz Exclusive Serial Numbered and Databased Hologram - Picture of Zach from the Signing -