Errors increase the value of collectibles because a limited number go into circulation before it is spotted and corrected.

A rare 20p coin has sold for nearly 200 times its face value after being listed on eBay. The undated coin, minted in 2008 and listed as having a 'mule error,' sold for £39.99 on Monday, January 5.

This article is brought to you by our exclusive subscriber partnership with our sister title USA Today, and has been written by our American colleagues. It does not necessarily reflect the view of The ...

People are encouraged to scrutinise their loose change for a rare £2 coin that could be worth significantly more than its face value. An expert has suggested that ...

Certain rare coins are certainly worth keeping an eye out for. Whether it's the Atlantic Salmon 50p or the famous Kew Gardens coin, Brits are constantly urged to check their change for hidden gems.

Do you have one of these supposed rare coins in your pocket? Collectors are constantly being told to keep an eye on certain change after Brits were urged to search their pockets for a common 50p coin ...

People are being encouraged to examine their £1 coins for a tiny manufacturing flaw that could potentially increase their value to £2,500. This lucrative mistake can be "difficult to spot". In a video ...

This article is brought to you by our exclusive subscriber partnership with our sister title USA Today, and has been written by our American colleagues. It does not necessarily reflect the view of The ...