Description:Mickey Mantle and Billy Martin autographed baseball. B.Brown AL ball signed by Mantle across the sweetspot and Martin on an adjacent side panel. Signatures rate 9/10 out of 10. The ball itself remains in exceptional overall condition with vestiges of a small ink mark to the right of Mantle's last name. One of only two such examples of this desirable Yankee related multi signed ball. Includes LOA from JSA: NM