The 2019 Sacagawea Dollar, produced at the Denver Mint, is a part of a series of golden-colored dollar coins that feature Sacagawea, a Native American woman who assisted Lewis and Clark on their expedition. These coins are composed of a manganese-brass alloy, giving them a distinct golden appearance. Collectors often seek out coins from specific years and mints, making the 2019 Denver Sacagawea Dollar a notable entry for numismatists focusing on modern U.S. coinage.