An expert, known online as the Coin Collecting Wizard, explained: “The Lord Kitchener £2 coin from 2014 is easy to spot with its bold ‘your country needs you’ design.

Gold coins amassed by collector Paul Narce of Castillonnès, France and hidden in a wall have fetched nearly $4 million at a recent auction at Beaussant Lefèvre in Paris.

A huge collection of historic gold coins, recovered from the wall of a house in France after their owner passed away, has been sold for millions of euros at auction.