The Case of the Priceless Coin is a Sherlock Holmes themed puzzle.
Sherlock Holmes walks through London carrying a priceless coin, given in gratitude by the British Treasury. Aware he is being followed Holmes concludes it is one of Moriarty’s henchmen sent to steal the coin. If he can lure him back to 221B Baker Street will you able to lead him through a game of cat and mouse before escaping.
Can you solve the Case of the Priceless Coin?