Yuan Dynasty. Wu Zong (Kaishan) (1308-1311) 10 Cash ND (1310-1311) Certified 80 by Gong Bo Grading, Hartill-19.46. 40mm. 20gm. According to Hartill, in 1310 a new mint was established to cast these, though in the subsequent year a reform in the monetary system was performed abolishing old copper coins recently issued to give space to silver certificates (paper money) and new copper coins. Treasures from the W & L Collection HID09801242017 © 2023 Heritage Auctions | All Rights Reserved

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