The Sacagawea Dollar is a one-dollar coin that was first issued by the United States Mint in 2000. It features an image of Sacagawea, a Shoshone woman who played a crucial role in the Lewis and Clark Expedition. The coin is made of a manganese-brass alloy, giving it a distinctive golden color. The reverse side of the coin depicts a soaring eagle, symbolizing freedom and strength. The Sacagawea Dollar was designed to honor Native American contributions to American history and to promote the use of coins in everyday transactions. It is still produced today, though it is not commonly used in circulation.