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1 Cash - Qianlong Tongbao, Boo-yuwan
| Uitgever | Board of Works Mint (工部局), Qing Dynasty |
|---|---|
| Jaar | 1736-1800 |
| Type | Log in om details te zien |
| Waarde | 1 Cash |
| 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 | 乾隆通寶 (Translation: Qian Long Tong Bao — Qianlong [Emperor] / Universal currency) |
| Beschrijving keerzijde | Central square perforation framed by a raised square border divides the reverse field into left and right registers, each bearing one Manchu script word read vertically. Together the two Manchu words ᠪᠣᠣ ᠶᡠᠸᠠᠨ (Boo Yuwan) identify the issuing mint as the Board of Works (Ministry of Public Works) in Beijing. The characters are rendered in raised relief against a flat field, with a wide, plain rim encircling the coin. No additional ornaments or symbols appear in the field. |
| Schrift keerzijde | Log in om details te zien |
| Opschrift keerzijde | Log in om details te zien |
| Rand | Log in om details te zien |
| Muntplaats | Log in om details te zien |
| Oplage | Log in om details te zien |
| Aanvullende informatie |
The Board of Works Mint in Beijing was one of two imperially supervised mints operating in the capital during the Qianlong reign, the other being the Board of Revenue. Both were tightly regulated, with fixed quotas and periodic inspections, but the Board of Works issues — struck at the Boo-yuwan facility — were consistently plagued by shortfalls in copper supply as Yunnan provincial ore became harder to source in the latter half of the reign. The shift to brass alloys during this period was a direct response to that shortage.