If your penny has a mistake this could increase the ... If you think you may have pennies worth money, make sure you get to a reputable coin dealer or professional coin grading service.
A coin can be worth a ton of money -- a pretty penny, one might say -- if it's rare and has enough historical significance. Find Out: These 11 Rare Coins Sold for Over $1 Million Explore More: ...
Coin collectors might be sitting on a goldmine, as some coins can fetch far more than their face value. Among the sought-after pieces are the "ultra-rare" Kew Gardens 50p and the "rarest" coin in ...