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 ...

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 ...

One mistake made for the first time in 300 years caused 250,000 "mule" coins to become a collectors item, with the mistake ...

A TINY unremarkable error on your 20p coin makes it worth 485 times its face value as a fiery eBay bidding war reveals. One ...

Your 20p piece could be worth a lot more than you think - if it has this very rare error. One expert has urged people to check their wallets and coin jars to see if they have one of these coins ...