Offical Home Run League Baseball signed by 23 members of the team including Roger Maris, Duke Maas, Whitey Ford, Bill Richardson, Tony Kubek, Gil McDougald, Bob Turley, Eli Grba, Bill Skowron, Clete Boyer, Ralph Terry, Yogi Berra, Elston Howard, Dale Long, Bobby Shantz and more. The Mantle signature is secretarial. Signatures are 5-8 on scale of 1-10. VG-EX