CHINA, Southern Míng Dynasty. Zhèn Chénggōng (Koxinga). AD 1651-1670. Æ Cash (28mm, 6.19 g). Cast in Nagasaki, Japan for circulation in Taiwan. Yong Li tong bao in zhuànshū Hànzì (seal script) characters / Blank. Hartill 21.81. Green patina with light earthen deposits. Fine.