1918, Guernsey (British Dependency). Nice Copper 4 Doubles Coin. AU-UNC! Mint Year: 1918 Reference: KM-13. Denomination: 4 Doubles Mint Place: Heaton´s mint (H) Condition: Minor spots, otherwise a nice AU-UNC with some mint-luster! Material: Copper Diameter: 27mm Weight: 5.04gm Obverse: Value (4) above denomination (DOUBLES) and date (1918) and mint initial (H for Heaton!). Reverse: Shie ...