Liberty Head Double Eagles are a type of gold coin issued by the United States from 1849 to 1907, specifically featuring the Liberty design on the obverse and an eagle on the reverse. The 1864 San Francisco Mint struck Double Eagles are notable for their historical significance and gold content, weighing 33.44 grams and containing 0.9675 troy ounces of pure gold. These coins are highly sought after by collectors due to their numismatic value and the limited mintage of certain years, making them a staple in American coinage history.

Item Denomination Series Year Mint
1864-S (San Francisco) Liberty Head Double Eagles $20 $20 (Twenty Dollars) Liberty Head Double Eagles $20 1864 San Francisco