Even the most expensive pieces are not excessively expensive. Interestingly, only a few coins from the 77-dime basic set are worth more than a few bucks. Each piece is made of 90% silver and 10% copper and contains 0.07234 troy ounces (2.25 g) of silver. They weigh 0.08038 troy ounces (2.50 g) and have a diameter of 0.7 inches (17.90 mm). Let’s see.Īdolph Alexander Weinman designed Winged Liberty head popularly named Mercury dimes, and the US Mint produced these coins from 1916 to 1945. Besides the 1938 S Mercury dime sold at auction for an incredible $364,250, you can find some other pricey pieces. While some of these coins are worth only a few dollars, you need to set aside hundreds of thousands of dollars for the most valuable Mercury dimes.Ĭollectors appreciate the most coins with Full Bands in the mint state, but some errors, key dates, and semi-keys also come with premium prices. You can find Mercury dimes in a wide price range, depending on their grade, rarity, and minting year.