This Official League baseball dates from 1953 when the New York Yankees won their fifth consecutive World Championship. The ball contains 22 signatures, with Billy Martin on the sweet spot, Mickey Mantle on the side panel, and many others including Ewell Blackwell, Ralph Houk, Johnny Mize, Ed Lopat, Yogi Berra, Phil Rizzuto and Whitey (Ed) Ford. The ball has five small brown marks that do not detract at all from its appearance; it grades an overall 8. The Martin signature grades 9/10; the other signatures, including Mantle, are 8/9. A true piece of Yankee history.