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1 Cash - Bảo Thái Thông Bảo, with crescent and dot
| Issuer | Empire of Vietnam |
|---|---|
| Year | 1720-1729 |
| Type | Standard circulation coin |
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| Composition | Log in to see details |
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| Diameter | 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 | 保泰通寶 (Translation: Bảo Thái Thông Bảo — Bảo Thái era of Lê Dụ Tông, 1720–1729 / Universal currency) |
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| Mintage | ND (1720-1729) |
| Additional information |
Bảo Thái was the reign era of Emperor Dụ Tông of the Lê dynasty — though by this period the Lê emperors held almost no real authority, with the Trịnh lords controlling the north as de facto rulers. The cash coinage issued under Bảo Thái was functionally the Trịnh administration's monetary output, the reign name serving a legitimizing fiction more than reflecting any imperial agency.
The crescent and dot reverse marks on Barker 67.5 distinguish it from the plain reverse type, likely indicating a specific supervising mint or casting batch rather than a denomination difference.