A Cincinnati entrepreneur and coin collect was responsible for the issue of a coin to mark the 100th anniversary of Cleveland, Ohio that was struck in Philadelphia during which two years?
Cleveland Centennial half dollar The Cleveland Centennial half dollar is a commemorative United States half dollar struck at the Philadelphia Mint in 1936 and 1937, though all bear the earlier date. Sometimes known as the Cleveland Centennial Great Lakes Exposition half dollar, it was issued to mark the 100th anniversary of Cleveland, Ohio, as an incorporated city, and in commemoration of the Great Lakes Exposition, held in Cleveland in 1936.
1913 Liberty Head nickel The 1913 Liberty Head nickel is an American five-cent piece which was produced in extremely limited quantities unauthorized by the United States Mint, making it one of the best-known and most coveted rarities in American numismatics. In 1972, one specimen of the five cent coin became the first coin to command a price of US$100,000; in 1996, another specimen became the first to break the million-US$ barrier. In 2003 one coin was sold for under three million dollars. In 2010, the Olsen piece sold for US$3.7 million at a public auction. Only five examples are known to exist: two in museums and three in private collections.