The top 10 rarest 50p coins have been revealed by the Royal Mint - some of which could fetch more than 100 times their face value. As we move to an increasingly cashless society, it's easy to forget ...

Everyone is being encouraged to check their change for the “extra-special” 50p coins that top the Royal Mint’s list of its rarest coins. You could be sitting on a small fortune you didn’t even know ...