Catalogus
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| Uitgever | Japan |
|---|---|
| Jaar | 1863-1868 |
| Type | Log in om details te zien |
| 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) | KM# Pn10 |
| Beschrijving voorzijde | Log in om details te zien |
|---|---|
| Schrift voorzijde | Log in om details te zien |
| Opschrift voorzijde | 攵 寶 永 久 (Translation: Eternal money of the Bunkyū Era) |
| Beschrijving keerzijde | Log in om details te zien |
| Schrift keerzijde | Log in om details te zien |
| Opschrift keerzijde | Log in om details te zien |
| Rand | Plain |
| Muntplaats | Log in om details te zien |
| Oplage | Log in om details te zien |
| Aanvullende informatie |
The Bunkyu Eiho 4 mon pieces in tin were trial issues — pattern coins, not circulating currency — produced as the Tokugawa shogunate experimented with alternative compositions during a period of acute copper shortages. The Kōkaku Katsuen attribution identifies the specific casting authority, a detail that matters for provenance within a series where multiple foundries produced nearly indistinguishable types. Tin was ultimately rejected for general circulation, making the surviving examples products of administrative deliberation rather than monetary deployment.