Two of the rarest coins in the world may still ... two copies of a 130-year-old dime are still in circulation and estimated to be worth millions. The specific dime is known as the 1894-S Barber ...

The Lincoln Wheat Penny was first minted in 1909 and stayed in circulation until 1958. On the front, you’ve got Abraham ...

Coins can become valuable for several reasons, ranging from their historical value to their metal content. In nearly all cases, however, the most valuable coins are the rarest. Some rare coins ...

With few exceptions, copper coins in the U.S. mean one-cent pennies — usually those featuring Abraham Lincoln. The most valuable Lincoln penny is worth $2 million on the collectibles market ...

Rare minting errors on coins such as blank spaces, blemishes or misprinted digits can increase a coin's value 1,160 times over ... to avoid confusion with the old currency. But a handful of ...