Collectible coins, also known as numismatic coins, are items of interest for collectors due to their historical, artistic, and monetary value. The United States has a rich history of coins, including the Twenty Dollar gold piece, commonly referred to as the "Double Eagle," which was first minted in 1849. In 1851, during the California Gold Rush, various types of gold coins were produced in California, emphasizing the state's significant role in U.S. coinage history. These coins often feature intricate designs representing liberty and prosperity, making them highly sought after by collectors.

Item Denomination Series Year Mint
1851 $20 State of California Gilt, K-4 $20 (Twenty Dollars) State of California 1851 California