American Buffalo $50 gold bullion coins are the first pure gold coins ever struck by the United States Mint and whose content and purity is guaranteed by the U.S. government. The American Buffalo Gold Coin's obverse and reverse designs feature images by noted American sculptor James Earle Fraser, once a student of Augustus Saint-Gaudens, for America's five-cent coin. The modern design based on Fraser's popular coin design, known as the "Indian Head," or "Buffalo Nickel," which was introduced in 1913.

*source of description (with minor modifications): U.S. Mint