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1 Cash - Daoguang Tongbao, Boo-chang
| Issuer | Board of Revenue Mint, Beijing |
|---|---|
| Year | 1821-1845 |
| Type | Standard circulation coin |
| 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 | 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 | Chinese (traditional, regular script) |
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| Reverse description | Log in to see details |
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| Reverse lettering | Log in to see details |
| Edge | Log in to see details |
| Mint | Log in to see details |
| Mintage | ND (1821-1845) |
| Additional information |
The Board of Revenue Mint in Beijing was one of two imperial mints operating within the capital during the Qing dynasty, the other being the Board of Works Mint. "Boo-chang" romanizes the Manchu inscription identifying this as a Board of Revenue issue — a bilingual convention enforced across all Qing cash coinage to assert Manchu administrative authority over a predominantly Han monetary system. The reign of Daoguang saw repeated attempts to address chronic copper shortages by adjusting alloy ratios and reducing weights, making compositional consistency across the 24-year span of this type notably unreliable.