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 ...

Something that's always on the mind of sports card collectors: How rare is my card? While this question is important when determining long-term card values, it’s a much more nuanced discussion than ...

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 ...