Reference
Reference
Note:
Indicates that this coin was already catalogued by the Japanese book Wakan Kokon Hosen Zukan (和 漢 古 今 宝 銭 図 鑑) published in 1694, and possibly even earlier by the Kecho Ruishu, said to date from 1681-83
Reference
Note:
Greenbaum explores the complex iconography and interrelationship between this coin and related coins.