What are mint marks? Mintmarks are small letters stamped on U.S. coins that designate where the coin was made. Where a coin was minted affects its value. See which coins each U.S Mint facility made. And what a U.S. coin without a mintmark means. (Some are rare error coins. Others are not supposed to have a mint mark.)
The half dime and the nickel may sound like different types of coins, but they are both U.S. 5-cent coins, and both have many interesting designs. See half dime and nickel similarities & differences. Plus the current value of half dimes, tips for collecting them, and how to save money when buying a half dime coin.