This rare coin is known as a 'mule' 20p as it has no date on either side - and it is thought there could be thousands more in ...

A "die error" coin means the coin is effectively a misprint, and though it made it into circulation it's a rare find and ...

Are colored European coins a creative enhancement or an unwelcome alteration? While some collectors embrace the vivid designs ...

Collectors from around the world know that North America is teeming with modern and rare coins that could be worth thousands ...

Some of the Royal Mint's Brexit 50p coins are considered rare as they have the incorrect date printed on them and were not melted down.

With incorrect details printed on two Brexit 50p coins, GB News said they could be worth up to £40,000. The Royal Mint produced versions for sale which ranged from £10 for a brilliant ...

Around 250,000 20p coins minted in November 2008 are believed to have entered circulation with no date. And now one has sold on eBay, attracting a winning bid of £97, 485 times its face value. The 50 ...