This is a 16x20 photo that has been personally signed by Joe Greene and Jack Lambert. Greene throughout the early 1970s he quickly developed into the most dominant defensive player the NFL had ever seen. He is considered by many to be the best defensive lineman to ever play the game and was the cornerstone of the famous ""Steel Curtain"" defense. He is also a member of the Pro Football Hall of Fame and a four-time Super Bowl champion. Lambert was one of the most feared players of all-time, he was a key member of the Steelers 4x Super Bowl championship run in the 1970's. He was named the 1974 NFL defensive rookie player of the year, 1976 NFL defensive player of the year, 9x pro-bowl selection, 9x all-pro selection and elected into the NFL Hall of Fame in 1990. This includes a certificate of authenticity (COA) from and matching serial numbered hologram from James Spence Authentication.