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'Tenpō Mameitagin' small 保 character(s)
| Issuer | Japan |
|---|---|
| Year | 1837-1858 |
| Type | Log in to see details |
| Value | Log in to see details |
| Currency | Monme Silver / Monme-Gin / Ginme (1601-1874) |
| 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 | Log in to see details |
| 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 | Log in to see details |
| 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 | ND (1837-1858) - DHJ#9.52 |
| Additional information |
The Tenpō Mameitagin was struck by the Tokugawa shogunate's silver za as a regional trade currency for western Japan, where silver was the dominant medium of exchange in contrast to the gold-based economy of Edo. The irregular, hand-struck form was deliberate — each piece was weighed individually in transactions rather than counted, a practice that had persisted in Osaka merchant culture for centuries.
The small 保 character variety is distinguished by a die-punch detail, not a separate issue. The dramatically debased silver content relative to earlier mameitagin reflects the shogunate's mounting fiscal pressure through the 1840s and 1850s.