1901, German East Africa (DOA). Colonial Silver Half Rupee (½ Rupie) Coin. Mint Year: 1901 Reference: KM-4. Region: East Africa Denomination: Half Rupee (1/2 Rupie) Material: Silver (.917) Diameter: 24mm Weight: 5,79gm Obverse: Helmeted and uniformed bust of William II as German emperor left. Legend: GUILELMUS II IMPERATOR Reverse: Arms of the German East-African Company (lion in ...