As it is so unusual it has meant the coin has been dubbed the "holy grail" of change collecting making it much sought after. The 20p coin was highlighted on Instagram by Coin Collecting Wizard.

A RARE 20p coin with a tiny error has just sold for over 230 times its face value – and you could have one sitting in your change without even knowing. An undated ...

A rare 20p coin sold for a whopping £232 on eBay – over 1,000 times its face value. The coin, which features a rare minting error, had collectors scrambling to get their hands on it.

Rare coins can be worth hundreds of times more than their face value, as one person found out when they sold a 20p coin for more than £230 on eBay. We are all being urged to check our wallets for ...

Check your change and take a look down the back of the sofa after a rare Royal Mint 20p coin sold for 450 times its face value this week. The 20p piece is a “mule ...

A rare 20p coin could fetch more than 250 times its face value to someone lucky enough to find one. Back in 2008 a minting error meant for the first time in centuries ...