Description:500 Home Run Club autographed baseball. B.Giamatti NL ball signed by (11) members of the 500 HR Club to include Williams, Mantle, Mathews, F.Robinson, Jackson, McCovey, Mays, Aaron, Banks, Killebrew, and Schmidt. Signatures range from 9-10 out of 10. Ball itself has a few very minor areas of toning. Includes LOA from JSA and COA/hologram from Green Diamond Sports: NM