23 signatures in ball-point grace this "NEW YORK YANKEES" Official Pro League baseball. Roger Maris, Elston Howard, Ed Ford, Tony Kubek, Clete Boyer, Tom Tresh, Mel Stottlemyre, Joe Pepitone, Jim Bouton are all here. Also has "clubhouse" Mantle auto on the sweet spot. Sigs rate mainly 7s and 8s. Ball is Ex-Mt. Additional LOA from PSA/DNA as well.