Japan, Meiji Period. Silver 50 Sen (1/2 Yen) Coin. Mint Year: 1871 Reference: KM-4. Denomination: 50 Sen (1/2 Yen) Material: Silver (.900) Diameter: 31.5mm Weight: 12.5gm Obverse: Dragon in circle clutching Pearl of Celestial Wisdom. Legend: "Year 4 (4 characters) . Meiji (3 characters) . Great Japan (3 characters) . 50 Sen ." Reverse: Sunburst crest within beaded circle and wreath. Ch ...