Most of us barely glance at the money we use each day. We look at the amount printed on the front and ignore everything else. Yet one small detail tucked away on every bill could mean the difference ...

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 ...

Most people treat a $2 bill like a curiosity. You get one as change, tuck it in a drawer, and forget about it for years. It ...