The product is a 1937 and 1940 W Mercury dime, both of which are circulated 10 cent coins made of silver with a fineness of 90%. These dimes were minted at West Point and are part of the Mercury variety. They are uncertified and ungraded, making them ideal for collectors interested in US coins from the early 20th century. These particular dimes hold historical significance and are a valuable addition to any coin collection.
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