A New York Giants Riddell Full Size Revolution Authentic Speed NFL Helmet hand signed by Eli Manning. The item and signature are in excellent condition. - Don't miss out on this excellent piece from Football Royalty. Two generations of Mannings have thrilled fans for decades. Now get in on the action with this classic item - AUTHENTICATION: The item is accompanied by a Steiner Sports Certificate of Authenticity - Steiner Sports Serial Numbered and Databased Hologram - Picture of Eli from the Signing