Jack Dempsey signed 14 by 10in photograph,signed & dated as world champion July 4th 1925, the ink signature with dedication "To My Friend Harry Drake, Best Regards", mounted, framed & glazed William Harrison "Jack" Dempsey (June 24, 1895 - May 31, 1983), nicknamed "Kid Blackie" and "The Manassa Mauler", was an American professional boxer who competed from 1914 to 1927, and reigned as the world heavyweight champion from 1919 to 1926.