Catalog
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| Issuer | Imperial Chinese Government |
|---|---|
| Year | 666 |
| Type | Standard circulation coin |
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| Composition | Log in to see details |
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| Diameter | Log in to see details |
| Thickness | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
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| Reverse description | Plain reverse featuring a central square hole (穿) with a raised inner rim, surrounded by smooth, largely undecorated fields showing natural casting texture and patination consistent with Tang dynasty bronze cash coinage. The outer raised rim mirrors that of the obverse. No inscriptions, symbols, or mint marks are present on the reverse. |
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| Edge | Plain |
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| Additional information |
Qianfeng Quanbao was issued in 666 AD under Emperor Gaozong of the Tang dynasty, the year he proclaimed the auspicious reign title Qianfeng — a title abandoned after just two years. The coin's production was short-lived; by 668 the reign era had changed again, making this a narrow issue from a politically restless court still consolidating power after the empress Wu Zetian's growing influence had begun reshaping imperial administration.
Tang cash of this period is notorious for irregular casting quality across different furnace sites, and provincial variations in alloy and flan preparation are well documented within the Qianfeng type.