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Schjöth 1419, Hartill 5.28-29 Type A1.2, KM --
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Kangxi (1662-1722)
1 cash, 1680s [?], Board of Revenue mint (in Beijing), 23.5 mm.
Cast Bronze (officially 60% copper and 40% zinc, but actually on average 67.4% copper, 21.9 % zinc, 7.0 % lead, 1.8 % tin, etc.), nominal weight 1.0 qian = (3.73 grams).
Obv: Kangxi tongbao.
Rev: Boo Chiowan to the left and right.
Type A is comprised of coins with a seven stroke bei, two dot tong, and with a zigzag at the bottom of the tong radical. Those within subtype A1.2 are smaller well-made coins with an actual weight under 4 grams and a diameter under 25 mm.
Hartill rarity 10
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