Official Cooperstown Bat Co. Stadium Series Polo Grounds commemorative baseball bat signed in felt tip on the barrel by eleven Giants: Willie Mays, Willie McCovey, Juan Marichal, Monte Irvin, Orlando Cepeda, Hoyt Wilhelm, Bobby Thomson and Johnny Mize, Don Mueller, Larry Jansen and Jim Hearn. In fine condition. COA Steve Grad/PSA/DNA and R&R COA.
