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 ...

JOPLIN, Mo. (KSNF) — That $1, $5, or $10 bill in your wallet might be worth way more than its face value. Knowing what your paper money might be worth is all in the serial number. Serial numbers are ...

There are all kinds of reasons why you might want to check out your PC's serial number. You might need to provide it to your employer, or you might want to check it while troubleshooting technical ...

For decades, federal law has forbidden gun owners from scratching out the serial numbers that manufacturers are legally required to place on firearms. The reason is obvious: These serial numbers help ...