Guernsey - 4 Doubles - 1945 Coin from the rather odd coins of Guernsey before decimalisation was introduced. The 4 Doubles coin was the same size as the pre-decimal half pence. The spelling on this particular coin is how the French spell Guernsey, with an extra E This coin doesn't depict a monarch and is one of the few exceptions in this group allowed mainly as it took a long while for Guernsey to adpot the monarch on their coinage