In the United States, the dollar coin is the highest-denomination coin in regular circulation. The U.S. dollar coins have featured different designs throughout history. Notable series of U.S. dollar coins include the Morgan Dollar (1878-1904, 1921), Peace Dollar (1921-1935), Eisenhower Dollar (1971-1978), Susan B. Anthony Dollar (1979-1981, 1999), Sacagawea Dollar (2000-present), and Presidential Dollar (2007-2016).