signed by five including two of the greatest athletes of the 20th Century, namely two-time Olympic gold medalist/U.S. Open champion Babe Didrikson (sweet spot) and World Heavyweight Champion Jack Dempsey (side panel). Others include Major League pitcher Guy Bush, professional wrestler Martino Angelo , and Dempsey's third wife Hannah Dempsey. Babe Didrikson can be displayed as a single signed baseball. Olympic Sport: summer,Product: Ball,Autograph Authentication: Professional Sports (PSA/DNA),Player: Babe Didrikson Zaharias,Original/Reprint: Original,Country of Origin: United States