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 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.

An unusual coin could net its owner over 250 times its face value after an error when it was made. The rare 20p coin was one of an unknown number released by the ...

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 rare ...

We are all being urged to check our change after a rare Royal Mint 20p coin sold for 450 times its face value on eBay. The 20p piece is a rare “mule” coin dating ...

A TINY mistake on your usual 20p coin could make it a whopping 350 times more valuable. You will need to look out for one small detail if you want to mint some extra cash. Coins become more ...

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 ...

If you've got some spare change jingling around in your pocket, it might be beneficial to give it a closer look. But why? Well, it turns out you could be carrying around a rare coin worth £50.

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 rare ...