Early Commemorative Coins https://validator.w3.org/feed/docs/rss2.html 1904-1905 Lewis and Clark Exposition Gold Dollar 1915 Panama Pacific Exposition $50 Gold Coin 1903 Louisiana Purchase Exposition Jefferson Gold Dollar 1892-1893 Columbian Exposition Half Dollar 1900 Lafayette Silver Dollar Early Commemorative Coin Mintages 1893 Isabella Quarter Dollar 1915 Panama Pacific Exposition Quarter Eagle 1915 Panama Pacific Exposition Gold Dollar 1915 Panama Pacific Exposition Half Dollar 1916-1917 McKinley Memorial Gold Dollar 1918 Illinois Centennial Lincoln Half Dollar 1920 Maine Centennial Half Dollar 1920-1921 Pilgrim Tercentenary Half Dollar 1921 Missouri Centennial Half Dollar 1921 Alabama Centennial Half Dollar 1922 Grant Memorial Gold Dollar 1922 Grant Memorial Half Dollar 1923 Monroe Doctrine Centennial Half Dollar 1924 Huguenot Walloon Tercentenary Half Dollar 1925 California Diamond Jubilee Half Dollar 1925 Fort Vancouver Half Dollar 1925 Lexington Concord Sesquicentennial Half Dollar 1925 Stone Mountain Memorial Half Dollar 1926 Sesquicentennial of American Independence Half Dollar 1926 Sesquicentennial of American Independence Quarter Eagle 1926-1939 Oregon Trail Memorial Half Dollar 1927 Vermont Sesquicentennial Half Dollar 1928 Hawaiian Sesquicentennial Half Dollar 1934 Maryland Tercentenary Half Dollar 1934-1938 Texas Independence Centennial Half Dollar 1934-1938 Daniel Boone Bicentennial Half Dollar 1935 Connecticut Tercentenary Half Dollar 1935-1939 Arkansas Centennial Half Dollar 1935 Hudson Sesquicentennial Half Dollar 1935-1936 San Diego California-Pacific Exposition Half Dollar 1935 Old Spanish Trail Half Dollar 1936 Rhode Island Tercentenary Half Dollar 1936 Robinson-Arkansas Half Dollar 1936 Cleveland Centennial Half Dollar 1936 Wisconsin Territorial Centennial Half Dollar 1936 Cincinnati Music Center Half Dollar 1936 Long Island Tercentenary Half Dollar 1936 York County Tercentenary Half Dollar 1903 Louisiana Purchase Exposition McKinley Gold Dollar 1936 Bridgeport Centennial Half Dollar 1936 Lynchburg Sesquicentennial Half Dollar 1936 Elgin Centennial Half Dollar 1936 Albany Half Dollar Guide to U.S. Early Commemorative Coins