The coin in question is a 2008 Roosevelt Dime, a denomination of 10 cents issued by the United States Mint. This particular coin was produced at the Denver mint and features the classic design by John R. Sinnock, which includes a profile of President Franklin D. Roosevelt on the obverse and a depiction of a torch, olive branch, and oak branch on the reverse. This dime has a diameter of 17.9 millimeters and a weight of 2.27 grams. It is made from a composition of 75% copper and 25% nickel, layered over a pure copper center. The edge of the coin is reeded, a common feature that helps prevent against wear and counterfeiting. The coin has a mintage of 745,464 pieces, indicating that it was produced in a limited quantity. Interestingly, this specific coin does not bear a mint mark, suggesting it was part of a batch that was either not marked or produced for circulation from a specific mint without indicating its origin. As a special production type coin, it may have been produced for commemorative purposes or as a collector's item. Overall, this 2008 Denver minted Roosevelt Dime represents both the history of American coinage and a piece of currency that has potential value for collectors depending on its condition and rarity.