Collectors and dealers say some old $100 bills are quietly trading for many times their face value, turning an ordinary trip ...

Some features of the $2 bill can make the bill more valuable and rare. Red and brown seals are less common than green seals.

Take a dollar bill out of your wallet. How much is it worth? Say "a dollar," and chances are, you're absolutely right. But it's also possible that the humble Washington in your hands is worth much ...

That crisp Benjamin in your pocket might be hiding a secret. We're living in an age where ordinary people are discovering ...