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

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 ...

If there's anything worth talking about these days it's your rare coin collection. Recently, a rare coin collector shared a 50p listed online for £15,000, although it's not what you think. Now ...

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 ...