Keen code breakers are in for a treat, as the Royal Mint has launched a fiendishly challenging puzzle. The Great British Treasure Hunt will set amateur sleuths across the country a series of ...
Keen code breakers are in for a treat, as the Royal Mint has launched a fiendishly challenging puzzle. The Great British Treasure Hunt will set amateur sleuths across the country a series of ...
A new £5 coin includes numbers, letters, and symbols which can be used to uncover secrets, riddles and puzzles.