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1 Văn - Thiên Thánh Nguyên Bảo Unofficial coin
| Issuer | Empire of Vietnam |
|---|---|
| Year | |
| Type | Log in to see details |
| Value | Log in to see details |
| Currency | Log in to see details |
| Composition | Log in to see details |
| Weight | Log in to see details |
| Diameter | 22.8 mm |
| Thickness | Log in to see details |
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| Technique | Log in to see details |
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| Engraver(s) | Log in to see details |
| In circulation to | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Chinese |
| Obverse lettering | Log in to see details |
| Reverse description | Plain and unadorned, with a central square hole surrounded by a smooth, flat field and a raised rim. The surface exhibits mottled green and blue-grey patination across the entire face, typical of long-circulated or buried cast bronze cash coinage. |
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| Additional information |
Thiên Thánh Nguyên Bảo was the reign title of Emperor Lý Thái Tông, who ruled Đại Việt from 1028 to 1054. Official issues under this title are among the earliest documented Vietnamese cast coinages, but a parallel market of unofficial — effectively counterfeit or privately cast — pieces circulated alongside them, filling gaps in state supply. This example falls into that category. The casting quality and alloy composition on unofficial pieces varies considerably, as private furnaces worked without mint oversight.