Collectors and dealers say some old $100 bills are quietly trading for many times their face value, turning an ordinary trip ...

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 ...

There are a number of factors that can make your money more valuable than you might think, but one that many may not realize they should look at is the serial number. In July 2022, Heritage Auctions ...