Guernsey (British Dependency). Large Copper 8 Doubles Coin.Reference: KM-7. Denomination: 8 Doubles Material: Copper Diameter: 32mm Weight: 9.38gm Obverse: Value (8) above denomination (DOUBLES) and date (1889). Reverse: Shield with national arms of Guernsey (three lions) above, topped by three leafs. Legend: GUERNSEY Guernsey, officially the Bailiwick of Guernsey (French: Bailliag ...