Experts say rare 'radar' banknotes with mirrored serial numbers can command a premium, especially when paired with higher denominations or unique repeating patterns ...

You've probably never given a second thought to the dollar bills sitting in your wallet right now. Most people don't. They're just money, right? Something to grab for coffee or parking meters, and ...

(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 ...