日本明治四年二十钱银币。大坂造币厰。 深打,光泽俱佳,底板透现杏色包浆。正面有明显的模具抛光线。 JAPAN. 20 Sen, Year 4 (1871). Osaka Mint. Mutsuhito (Meiji). NGC MS-63. KM-Y-3; JNDA-01-20. A sharply struck and brightly lustrous coin, with traces of light almond toning in the fields. Strong die polish lines are noted on the obverse.