Description:George Sisler and Charles Gehringer autographed 1950-56 Callahan Hall of Fame cards. Includes "Chas. Gehringer" vintage fountain pen and "George Sisler" ink signatures appearing on their respective 1950s Callahan cards. Signatures rate 8-8/9 out of 10, cards have no mentionable wear. Includes auction LOA from JSA: Sigs. NM, Cards EX/MT-NM