Flag Ratio: 2:3
The Present flag of Guernsey was adopted in 1985 and consists of the red cross of St. George with an additional gold cross within it. The Gold cross represnts Duke William of Normandy, who had such a cross on his flag in the battle of Hastings.
Flag Ratio: 1:2
The previous flag of Guernsey was just the St Georges Cross, Guernsey was permitted to use it in 1936 for its state flag.
Flags of the Channel Islands:
Alderney[?] - Guernsey - Herm[?] - Jersey[?] - Sark[?]