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1 Cash - Jiaqing Tongbao, Boo-dung
| Issuer | Board of Revenue Mint, Beijing |
|---|---|
| Year | 1810-1820 |
| 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 | Log in to see details |
| Thickness | Log in to see details |
| Shape | Round with a square hole |
| 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 |
| Reference(s) | Log in to see details |
| Obverse description | Log in to see details |
|---|---|
| Obverse script | Log in to see details |
| Obverse lettering | 嘉 寶 通 慶 (Translation: Jia Qing Tong Bao Jiaqing (Emperor) / Universal currency) |
| Reverse description | Log in to see details |
| Reverse script | Log in to see details |
| Reverse lettering | Log in to see details |
| Edge | Plain |
| Mint | Log in to see details |
| Mintage | Log in to see details |
| Additional information |
The Board of Revenue Mint in Beijing — one of two imperial mints operating within the capital — cast these cash coins using a bimetallic brass alloy introduced under Qianlong as a deliberate departure from the older red copper standard. By the Jiaqing reign the system was under chronic strain: provincial mints were debasing their output, circulation was flooded with lightweight counterfeits, and Beijing's own production quotas were routinely unmet due to supply shortages of zinc. The "Boo-dung" romanization reflects the Manchu rendering of the Board of Revenue's mint designation.