You reach into your wallet, grab what seems like an ordinary dollar bill for your morning coffee, completely unaware that the ...

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 ...

Pull any bill out of your wallet. See the dark green numbers on the top-left and top-right corners? Those are serial numbers, and some are more rare than others. If you happen to have paper money with ...

Although most of your paper money won’t be worth more than what it says, there’s a chance it might — even if it’s not decades old — based on the serial number. To find the value, or find out if your ...