The 1875 $20 Liberty Gold Coin is a notable example of U.S. gold currency, featuring Augustus Saint-Gaudens' design. Struck in 90% gold and 10% copper, this coin weighs 33.44 grams and measures 34 mm in diameter. The obverse showcases Liberty in a flowing gown with a liberty cap, while the reverse depicts a bold eagle in flight, symbolizing freedom and strength. Collectors prize this coin for its historical significance and its place in the era of the Gold Rush in the United States. Its rarity and quality can significantly influence its market value.