The coin in question is a 1961 Roosevelt Dime, issued by the United States Mint in Denver (denoted by the mint mark 'D'). This particular dime is part of the Roosevelt Dimes series, which has been minted since 1946 in honor of President Franklin D. Roosevelt. Weighing 2.5 grams and featuring a diameter of 17.9 mm, this coin is a standard representation of a United States dime, which has a denomination of 10 cents. Interestingly, it is composed of 90% silver, which adds to its value for collectors and investors alike, especially in the context of the rising market for precious metals. The mintage for this specific year and mint is substantial, with a total of 209,146,550 coins produced. Although this indicates the dime is not particularly rare, its silver content and historical significance can enhance its appeal. Due to its mint condition and the fact that it was struck at the Denver Mint, this coin could be of interest to numismatists and those holding a fascination for American currency history. Overall, the 1961 Roosevelt Dime remains a popular piece among coin collectors for its representation of the era and its enduring value as a silver coin.