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

Most dollar bills really are just worth a dollar, but a tiny printing quirk on some notes has turned pocket change into a serious payday. The most dramatic example is a specific serial number mistake ...

The first $2 bills were issued by the federal government in 1862 and initially featured Alexander Hamilton. Features like rare seal colors, low serial numbers, and printing errors can increase a ...

If you have a circulated $2 bill burning a hole in your pocket, think twice before spending it at some store. The bill itself might be worth a lot more than two dollars — enough to build some serious ...