Here are some of the most valuable coins in the world, or at least the United States, that are still in circulation. With only five in existence, you can make a pretty penny if you find one of ...

Here are 10 rare coins, including five still in circulation, that are certain to increase in value in the next five years. A news release from the U.S. Mint in 1999 estimated that 40 copper-alloy ...

An estimated 4.9 million of the new coins are being distributed to post offices - about half of the total number earmarked for circulation. Coins carrying the image of the late Queen will still be ...