You’ve probably read before that you shouldn’t clean your coins because doing so can lower their value. Actually, there is 1 way that you can clean your coins without damaging them, and you will learn all about that method as well as 4 ways on how you should NOT clean your coins. We’re debunking a few popular coin cleaning ideas here.
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.)