As with just about any asset, a coin’s value is determined by its market demand. This means that coins in short supply often see higher demand — and higher values. With coins, supplies are limited ...

If you've got some spare change jingling around in your pocket, it might be beneficial to give it a closer look. But why? Well, it turns out you could be carrying around a rare coin worth £50.

This coin needs to feature a specific error to be particularly valuable ...