Catalog
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| Issuer | Japan |
|---|---|
| Year | 1710-1711 |
| 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 |
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| 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) | JNDA#09-63 |
| Obverse description | Log in to see details |
|---|---|
| Obverse script | Log in to see details |
| Obverse lettering | 宝 宝 宝 宝 (Translation: Hō) |
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| Reverse lettering | Log in to see details |
| Edge | Plain |
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| Mintage | Log in to see details |
| Additional information |
Produced for just over a year under the Hōei monetary reform of 1710, this mameitagin variety was part of a deliberate debasement policy initiated by the Tokugawa shogunate under Arai Hakuseki's influence — though Hakuseki himself opposed the debasement and would later push through a revaluation restoring higher silver content. The Daikoku stamp identifies the Kinza mint's authorization mark for this specific alloy grade, distinguishing it from earlier high-purity mameitagin issues that circulating merchants had come to trust.
The extremely short production window makes surviving examples genuinely scarce.