Collectible coins include a variety of types, with significant examples such as the Liberty Head Double Eagles. The Liberty Head design was used on the $20 gold coin minted in the United States from 1849 to 1907. The 1857 Liberty Head Double Eagle, particularly those minted in San Francisco, is notable among collectors for its historical significance and the limited mintage of certain years. These coins are highly sought after due to their gold content, artistry, and collectible value in numismatic circles.

Item Denomination Series Year Mint
1857-S (San Francisco) Liberty Head Double Eagles $20 $20 (Twenty Dollars) Liberty Head Double Eagles $20 1857 San Francisco