The combination of "copper" and "penny" might not seem like the best formula for valuable coins considering that you can find higher denominations in gold and silver. But finding the right copper ...

Establishing whether a coin is counterfeit is a big part of this too, as fraudsters use various sneaky techniques to make fake money look as authentic as possible. Coins that are discoloured ...

This video shows how much it costs to create dollar bills and coins. More from Finance The Federal Reserve System controls the amount of money that circulates in the United States. The production ...

There are a significant number of rare coins, with some printing deficiencies or that are part of specific mintings that make ...

Article I, Section 10, Clause 1 (State Coinage) does not allow the states to “coin Money; emit Bills of Credit; [or] make any Thing but gold and silver Coin a Tender in Payment of Debts. . . .” ...

But finding the right copper coin could make you a millionaire. With few exceptions, copper coins in the U.S. mean one-cent pennies — usually those featuring Abraham Lincoln. The most valuable ...