The rare 20p coin has been dubbed "the holy grail of change collecting" by The Britannia Coin Company of Royal Wootton Bassett.

The error appeared on the 20p coin due to an incorrect pairing of the old and new coin designs during the Royal Mint minting process ...

YOU could be missing out on hundreds of pounds of free cash by not checking your change for rare and valuable coins.

“Coin was circulated briefly in 2008 but has been in my possession and not circulated since 2008.” One keen collector snapped up the coin at the buy-it-now price of £39.99, plus £2.94 postage. That ...

The 20p piece, which features Queen Elizabeth II on the front and the Royal Shield of Arms on the reverse, was minted with a rare error ...

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