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 ...

Brits are being encouraged to scrutinise any new banknotes they receive, as they could potentially be worth a small fortune.

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 ...

Take a dollar bill out of your wallet. How much is it worth? Say "a dollar," and chances are, you're absolutely right. But it's also possible that the humble Washington in your hands is worth much ...

Serial numbers are a frequently used method of tagging and identifying objects that would be otherwise indistinguishable, and are used for everything from firearms to keys, and from passports to ...

Apple will soon be changing the way serial numbers of Macs and MacBooks are created, with a switch to randomized numbers in early 2021 making it harder to suss out details about a device. Currently, ...