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Obverse: Kai Qing Tong Bao
Reverse: plain Diameter: 25.1 mm Weight: 2.5 g |
Coin with legend Kai Qing Tong Bao was issued during Southern Sung
reign title Kai Qing (1259 a.d.). But all known coins have Yuan
 character (first year of
reign title). Shown coin have relatively small weight, is very thin and have flat reverse, similar to Vietnamese coins. | |
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Chinese Coinage Web Site | |