2009,KM-467, Schön-449 Country United States Year 2009 Value 1 Dollar (1 USD) Metal Manganese-brass (Cu 88.5%, Zn 6%, Mn 3.5%, Ni 2%) Weight 8.1 g Diameter 26.5 mm Commemorative issue Native American $1 Coin Act Obverse Sacagawea (1788-1812), with child. She was a Shoshone native american. She was an translator and a guide to the Lewis and Clark expedition. Lettering: LIBERTY IN GOD WE TRUST ...