"Mean" Joe Greene Pittsburgh Steelers Signed "TK" Suspension Helmet with Inscriptions - JSA Pictures is a Pittsburgh Steelers full size helmet signed by Steelers great and Hall of Famer Joe Greene. He has added: HOF 87 10x Pro Bowl 4x SB Champs 5x DPOY This helmet comes with a JSA tamper-proof sticker and card. Authentication - JSA
