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Mameitagin 'Bunsei Mameitagin' Large 文
| Issuer | Tokugawa Shogunate (Kinza/Ginza Mint) |
|---|---|
| Year | 1820-1837 |
| Type | Standard circulation coin |
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| Composition | Log in to see details |
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|---|---|
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| Reverse script | Chinese (Kanji) |
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| Edge | Plain |
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| Additional information |
The Bunsei Mameitagin was issued in response to a deliberate debasement policy — silver content was slashed from the roughly 80% fineness of earlier Chōshū and Genbun-era bean silvers down to 36%, generating significant seigniorage profit for the Shogunate's chronically strained finances. The Kinza assayers stamped each piece individually by hand, meaning no two are dimensionally identical.
The large-mon designation distinguishes this type from the smaller denomination struck concurrently, a distinction that can be subtle on worn examples.