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 ...

Spotting Value in 2004 Quarters For those interested in the 2004 quarters, key features to look for include specific die varieties or missing elements that can significantly increase their value. The ...

A manufacturing error on the 1999 Georgia state quarter has increased the coin’s value, and some collectors are paying as much as $10,000 for the affected 25-cent ...

You might think it's just a standard 50p coin, but if you look for one tiny detail on your change, it could be worth a lot more than you think... So do you own this piece?

This special 50p coin has a teeny-tiny feature on the front which makes it worth a lot more than face value. It might be sitting in your change without you even realising it ...