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1 Cash - Daoguang Tongbao, Boo-jyi
| Uitgever | Board of Revenue Mint, Beijing |
|---|---|
| Jaar | 1821-1830 |
| Type | Standard circulation coin |
| Waarde | Log in om details te zien |
| Valuta | Log in om details te zien |
| Samenstelling | Log in om details te zien |
| Gewicht | Log in om details te zien |
| Diameter | Log in om details te zien |
| Dikte | Log in om details te zien |
| Vorm | Log in om details te zien |
| Techniek | Log in om details te zien |
| Oriëntatie | Log in om details te zien |
| Graveur(s) | Log in om details te zien |
| In omloop tot | Log in om details te zien |
| Referentie(s) | Log in om details te zien |
| Beschrijving voorzijde | Log in om details te zien |
|---|---|
| Schrift voorzijde | Log in om details te zien |
| Opschrift voorzijde | Log in om details te zien |
| Beschrijving keerzijde | The reverse presents two Manchu script characters disposed horizontally on either side of the central square perforation, reading from left to right as 'Boo-jyi' (ᠪᠣᠣ ᡷᡳ), identifying the issuing mint as the Board of Revenue (Hubu) in Beijing. The characters are cast in moderate relief against a flat field, exhibiting the characteristic cursive flow of Manchu calligraphy. No additional devices or decorative elements appear in the field. The plain rim and overall fabric are consistent with standard Board of Revenue cash coinage of the Daoguang reign. |
| Schrift keerzijde | Log in om details te zien |
| Opschrift keerzijde | Log in om details te zien |
| Rand | Log in om details te zien |
| Muntplaats | Board of Revenue Mint, Beijing |
| Oplage | Log in om details te zien |
| Aanvullende informatie |
The Board of Revenue Mint in Beijing operated two furnace series — Manchu "Boo-jyi" (戶部) being one of the primary production facilities for the imperial cash coinage. During the Daoguang reign, persistent fiscal pressures and copper shortages drove a deliberate reduction in alloy quality and flan weight relative to Jiaqing-era standards, a policy formalized through successive Board of Revenue edicts. The brass composition of this issue reflects that substitution, zinc-heavy alloys having become normalized well before Daoguang ascended in 1820.
Hartill distinguishes multiple reverse varieties for this mint and reign, with boo-jyi pieces catalogued across several positional die alignments.