If you happen to have paper money with a unique or interesting serial number, it may be worth much more than face value ... bills with low serial numbers, such as those below 1,000 or 100 ...

One expert on Instagram shared what to look for: The good news is, it isn't just older $100 bills with stars in the serial number that are valuable - newer ones can go for more than face value as ...

Some of the most valuable $2, $50 and $100 bills in ... some of these bills, particularly those with unique serial numbers or errors, can be worth more than face value. Specifically, banknotes ...