California Fractional Gold coins were minted during the Gold Rush era in the mid-19th century, specifically around 1852. These coins were produced in response to the need for small denominations of gold currency in California, as official U.S. coinage was scarce. The $10 denomination represents a significant value, but these coins were often issued in various fractional amounts, such as $1, $2.50, and $5. California Fractional Gold pieces typically feature distinctive designs and were struck by private mints rather than the U.S. government, making them unique collectible items in American numismatic history.