Collectible coins, such as the 2024 Sacagawea Dollar, are often sought after by numismatists and collectors due to their historical significance, artistic design, and limited mintage. The Sacagawea Dollar, first issued in 2000, features an image of Sacagawea, an important figure in American history, symbolizing exploration and the contributions of Native Americans. These coins are minted by the United States Mint and can be made from various materials, including standard coinage metals and special collectible formats, enhancing their appeal and value in the numismatic market.