The 1860 S Liberty Seated Half Dollar is a coin minted in San Francisco, United States, with a composition of 90% silver. It features the Seated Liberty design and has a denomination of 50 cents. The strike type is business and the fineness is 0.9. The coin is uncategorized and ungraded, and its KM number is unknown. The variety is WB-2, and it has a medium S mint mark.