【摘 要】
：
These more than 2000 pieces of iron coins found in the year 2002 were all 3 cash coin in the year of Chong Ning, Da Guang and Zheng He during the reign of Emper
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These more than 2000 pieces of iron coins found in the year 2002 were all 3 cash coin in the year of Chong Ning, Da Guang and Zheng He during the reign of Emperor Hui Zong . Author introduced the year titles and typical chirography of these coins, thought that there was a mint set up in the Shan Kou county belong to Tong An mint for casting iron coins, they were maybe the mingled tin coins cast in the late time of Northern Song Dynasty.
These more than 2000 pieces of iron coins found in the year 2002 were all 3 cash coin in the year of Chong Ning, Da Guang and Zheng He during the reign of Emperor Hui Zong. Author introduced the year titles and typical chirography of these coins, thought that there was a mint set up in the Shan Kou county belong to Tong An mint for casting iron coins, they were maybe the mingled tin coins cast in the late time of Northern Song Dynasty.
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