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.
Louisiana Purchase Exposition dollar The Louisiana Purchase Exposition dollar was a commemorative coin issue in gold dated 1903. Struck in two varieties, the coins were designed by United States Bureau of the Mint Chief Engraver Charles E. Barber. The pieces were issued to commemorate the Louisiana Purchase Exposition held in 1904 in St. Louis; one variety depicted former president Thomas Jefferson, and the other, the recently assassinated president William McKinley. Although not the first American commemorative coins, they were the first in gold.