This Pittsburgh Steelers Throwback Authentic Pro Line Football Helmet has been hand signed by Franco Harris, Chuck Noll, Lynn Swann, Mel Blount, Terry Bradshaw, Jack Lambert, Jack Ham and Joe Greene. Mr. Noll added the 4x SB (Super Bowl) Champs and HOF (Hall of Fame) 93 Inscriptions. Everyone else added the HOF (Hall of Fame) inscriptions. The Helmet will include the PSA/DNA sticker affixed to the helmet, the photos of each player signing our helmets and a Certificate of Authenticity from Creative Sports Ent, Inc with matching holograms on the helmet and certificate.