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1 Cash - Khai Thái Nguyên Bảo, Clerical script
| Issuer | Empire of Vietnam |
|---|---|
| Year | 1324-1329 |
| Type | Log in to see details |
| Value | Log in to see details |
| Currency | Log in to see details |
| Composition | Copper |
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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 |
|---|---|
| Obverse script | Chinese (traditional, clerical script) |
| Obverse lettering | Log in to see details |
| Reverse description | Completely plain and uniface, with no legends, symbols, or decorative devices of any kind. The central square perforation is framed by a raised inner rim, with a similarly plain raised outer rim encircling the flat, featureless field. The surface displays the same blue-green patination visible on the obverse, consistent with the coin's cast copper composition and age. |
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| Additional information |
Khai Thái was the reign era of Trần Minh Tông, the fifth emperor of the Trần dynasty, whose court maintained strict Confucian administrative structures borrowed heavily from Song Chinese precedent — including the practice of issuing new cash coinage to mark each reign period. The clerical script designation here distinguishes this emission from parallel issues in standard script, a distinction the Trần court made deliberately to differentiate administrative and ceremonial contexts.
Barker's attribution to this narrow five-year window relies on reign-era correlation rather than mint documentation, as Vietnamese cash of this period carry no mint marks.