1855, Kingdom of Greece, Otto I. Rare Silver ½ Drachma Coin.Mint Year: 1855Denomination: ½ DrachmaReference: KM-34Weight: 2.24gmMaterial: SilverOtto (Greek: Όθων, Óthon; 1 June 1815 – 26 July 1867) was a Bavarian prince who became the first modern King of Greece in 1832 under the Convention of London. He reigned until he was deposed in 1862.The second son of King Ludwig I of Bavaria, O ...