Mcektam collection
Zheng Long Yuan Bao (正隆元宝), Emperor Wan Yan Liang (1158-1161) of Jin Dynasty. Minting Error found in "寶". 正隆元宝是金代最早的金属铸币，铸于金代海陵王正隆二年(１１５７年)，分为四笔和五笔正字。	Asia China 1157