Silver Sentinels: 10 Iconic U.S. Commemorative Coins That Capture American History

1892-1893 Columbian Exposition Half Dolla

1900 Lafayette Dollar

1921 Alabama Centennial Half Dollar

1925 Lexington-Concord Sesquicentennial Half Dollar

1936 Gettysburg Anniversary Half Dollar

1936 Long Island Tercentenary Half Dollar

1946 Iowa Statehood Centennial Half Dollar

1951 Booker T. Washington Memorial Half Dollar

1982 George Washington Commemorative Half-Dollar

1999 State Quarters Program