That $1, $5 or $10 bill in your wallet might be worth way more than its face value if it has one of these types of cool serial numbers -- even hundreds or thousands of dollars. Here’s what to look for ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. It is time to break out the billfold because you might just have a $1 bill that is worth much more than a dollar. It is not ...

(NEXSTAR) – You might already know that some state quarters or star banknotes can be worth more than face value. But are you overlooking any rare “radar” banknotes in your wallet or purse? So-called ...

A $2 bill usually buys exactly $2 worth of stuff, but a few unusual examples can make collectors reach for considerably ...

Peter Gratton, Ph.D., is a New Orleans-based editor and professor with over 20 years of experience in investing, economics, and public policy. Peter began covering markets at Multex (Reuters) and has ...