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.

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 ...

the 20p coin sold for £90. The rarest is the Kew’s Garden 50p, which was designed to mark the 250th anniversary of the gardens in 2009. Only 210,000 coins were ever minted with this design. The Kew ...

the 20p coin sold for £90. The rarest is the Kew’s Garden 50p, which was designed to mark the 250th anniversary of the gardens in 2009. Only 210,000 coins were ever minted with this design.

That's because you may have a rare coin lurking among the old silvers and coppers. There are 20p coins that could be worth £50 lurking in Brits' change – but do you have one? TikToker @ ...

We are all being urged to check our change after a rare Royal Mint 20p ... The coin is from the United Kingdom and is believed to have originated in England." The rarest is the Kew’s Garden ...