A Pittsburgh Steelers Riddell Throwback NFL Mini Helmet hand signed by “Mean” Joe Greene. The item and signature are in excellent condition. In addition to signing his name, Joe inscribed HOF 87 to the item. Joe is a 4x Super Bowl Champion, 10x Pro Bowler, 5x First Team All-Pro and the 1978 Walter Payton NFL Man of the Year award winner. AUTHENTICATION: The item is accompanied by a Radtke Sports Certificate of Authenticity, Radtke Sports Serial Numbered and Databased Hologram – Picture of Joe from the Signing