The coin in question is a 2009 Sacagawea Dollar, a one-dollar coin issued by the United States of America. Struck at the Philadelphia Mint, this particular coin does not feature a mint mark. Designed by Glenna Goodacre and Thomas Cleveland, this coin is made from a unique alloy, composed of 88.5% copper, 6% zinc, 3.5% manganese, and 2% nickel. It weighs 8.1 grams and has a diameter of 26.5 millimeters. The edge of the coin is lettered, featuring inscriptions that differentiate it from other coins. This specific piece is part of a special production series, with a total mintage of 784,614 coins. The Sacagawea Dollar is noted for its portrayal of the Shoshone woman Sacagawea, who played a pivotal role in assisting Lewis and Clark during their expedition, and symbolizes perseverance and exploration. In summary, this coin is a significant piece of American numismatic history, featuring rich cultural and historical connotations, alongside its tangible characteristics and limited mintage.
