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| Issuer | Empire of Vietnam |
|---|---|
| Year | 1820-1841 |
| Type | Log in to see details |
| Value | 1 Cash |
| Currency | Log in to see details |
| Composition | Log in to see details |
| Weight | Log in to see details |
| Diameter | Log in to see details |
| Thickness | Log in to see details |
| Shape | Log in to see details |
| Technique | Log in to see details |
| Orientation | Log in to see details |
| 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 | Log in to see details |
| Obverse lettering | Log in to see details |
| Reverse description | The reverse is entirely plain and devoid of any inscription or decorative motif, presenting a flat, featureless field. A raised square border frames the central square perforation, and a raised rim runs along the outer edge of the coin. The surface shows a granular texture and uneven casting typical of a contemporary forgery produced outside official mint controls. |
| Reverse script | Log in to see details |
| Reverse lettering | Log in to see details |
| Edge | Plain |
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| Mintage | Log in to see details |
| Additional information |
Minh Mạng's reign saw the Nguyễn court repeatedly struggle to maintain adequate copper cash supplies, and civilian forgers stepped into that gap with brass substitutes light enough to betray themselves on a scale. The KM#182b designation specifically identifies these as circulation forgeries — pieces that passed as genuine trade, not collector deceptions made after the fact.
Barker's numbering across three varieties (101.15–17) suggests meaningful die diversity among the fakes, implying organized production rather than opportunistic individual counterfeiting.