You've probably never given a second thought to the dollar bills sitting in your wallet right now. Most people don't. They're ...

Let’s say you buy a pre-owned or vintage watch and want some more information on when it was made, what it might be worth, etc. The watch’s serial number can, in many cases, help you track down this ...

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 ...

Brits have been advised to examine their banknotes for specimens that could fetch up to £10,000. An expert suggests that particular notes bearing King Charles III's image might prove exceptionally ...