The coin in question is a 1977 Roosevelt Dime, minted in Denver, which carries the mint mark 'D'. It is a United States coin with a denomination of 10 cents. Made from a copper-nickel clad composition, this dime weighs 2.27 grams and has a diameter of 17.9 millimeters. The Roosevelt Dime series features the profile of President Franklin D. Roosevelt on the obverse, while the reverse showcases a torch flanked by an olive branch and a bunch of arrows, symbolizing peace and strength. The 1977 minting had a substantial production run, with a total mintage of 376,607,228 coins produced, making it relatively common in circulation. As a classic piece of American numismatics, this coin represents an essential part of everyday transactions and is a valuable addition for collectors focused on modern United States coinage. Its current value generally remains close to its face value, although condition and collector demand may influence its worth in the market.