Featured is a Zach Ertz signed Arizona Cardinals full size speed Eclipse replica helmet. This helmet was hand signed by Zach Ertz and has been authenticated by JSA authentication services. Included with the helmet is a JSA hologram and certificate of authenticity. This item would make a great addition to any sports memorabilia collection!. SPECIFICATIONS Autographed By: Zach Ertz Team: Arizona Cardinals Sport: Football Authentication: James Spence Authentication (JSA)