The 1942 S Mercury Dime, graded XF 40 by NGC, is a circulated silver coin with a composition of 90% silver. Minted in San Francisco, this United States coin features the iconic Mercury design and has been certified by NGC with certification number 6860242-027. A valuable and sought-after piece for collectors of US coins, this dime showcases the craftsmanship and history of American coinage during the early 20th century.