Hall of Fame Signed Baseball Jackie Robinson, Bill McKechnie, Ed Rousch, Warren Spahn, Jocko Conlon, Charlie Grimm Full JSA Certificate: Key signature Charlie Grimm, Enhanced signatures of the others. JSA Cert number YY24202. Signed Spalding baseball. Ballpoint pen signatures. Incredible and rare signature of Jackie Robinson, the ground breaking Brooklyn Dodger. This ball is also part of the HJC Minch estate. H.J.C. Minch, Cleveland native and avid Tribe fan traveled for more than 20 years to the Cleveland Indians Spring Training in Arizona. He was given an American League pass by then Indians club president Gabe Paul to travel and see any game for free. Included with every lot from this auction and his estate is documentation and article from Hal Lebovitz, (longtime Plain Dealer Editorial writer) describing Mr. Minch?s life with the Tribe. He was a well loved and a respected feature at Hi Corbett Field, Winter home of the Cleveland Indians every year. He was loved by the Cleveland Indians, and garnered numerous autographed baseballs and home made cushions from several teams which are all featured in this auction, and have autographs of many Hall of Famers as well as other players.