A Colorado dealer recently submitted a British Proof coin that features an unintentional pairing of obverse and reverse, a ...

We are all being urged to check our change for an “extremely rare” 50p coin with an error that makes it incredibly valuable. The Royal Mint 50p coin in question ...

All recommendations within this article are informed by expert editorial opinion. If you click on a link in this story we may earn affiliate revenue. A SMALL error on ...