The Sacagawea Dollar is a golden dollar coin that was first issued by the United States Mint in 2000. It features a depiction of Sacagawea, the Shoshone woman who assisted Lewis and Clark on their expedition, on the obverse side. The reverse side showcases an eagle in flight, symbolizing freedom and prosperity. The 2014 Sacagawea Dollar is part of the series that was minted annually, and it is made of a manganese-brass alloy, giving it a distinctive golden color. These coins are collectible due to their historical significance and unique design.