This 1940-S Mercury Dime is a stunning piece with beautiful toning. The coin is made of 90% silver and 10% copper, with a business strike type and minted in San Francisco, California. It is uncirculated and ungraded, making it a great addition to any collection. The denomination is 10C and the coin features the portrait of Mercury. This coin is perfect for collectors of US coins, specifically those interested in dimes from the Mercury series. Please note that the coin is uncertified.