Collectible coins, especially in the realm of American numismatics, include a variety of types such as gold, silver, and copper pieces, often linked to their historical significance, rarity, and condition. The "Twenty Dollars" refers to the denomination of gold coins, particularly the Liberty Head and St. Gaudens designs, minted from the 19th century onwards. The 1859 Liberty Head double eagle, minted in San Francisco, is notable for its design featuring a rendition of Lady Liberty and the use of gold in its composition, making it a coveted item among collectors due to its age and limited availability.

Item Denomination Series Year Mint
1859-S $20 $20 (Twenty Dollars) American Liberty Gold 1859 San Francisco