Collectible coins, such as the Sacagawea Dollar, are a popular category among numismatists. The Sacagawea Dollar, introduced in 2000 and honored with a depiction of the Native American woman Sacagawea, is notable for its unique alloy and design. The coin features a golden hue and has faced various designs and updates, including a series of reverse images representing different aspects of Native American culture. The 2023 Sacagawea Dollar is part of ongoing series that contribute to its collectible status, making it appealing to collectors and investors alike.