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| 表面の説明 | ログイン して詳細を見る |
|---|---|
| 表面の文字体系 | ログイン して詳細を見る |
| 表面の銘文 | ログイン して詳細を見る |
| 裏面の説明 | Central field bearing the large kanji character 寳 (Treasure/Hō), boldly struck within the stylized Daikoku device, which is composed of conventionalized pictographic elements including a prominent oval boss at the apex and surrounding oval rice-grain pellets in relief. A radiating fan-shaped crown motif surmounts the composition at the top, while a sweeping curved line to the right represents a traditional decorative element. The lower register is divided by a horizontal bar above a row of stylized grass or wave ornaments, consistent across the Mameitagin series. The size of the 寳 character distinguishes the two known varieties: large 寳 (Daiji) and small 寳 (Shōji). |
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| 裏面の銘文 | ログイン して詳細を見る |
| 縁 | Plain (irregular) |
| 鋳造所 | ログイン して詳細を見る |
| 鋳造数 | ログイン して詳細を見る |
| 追加情報 |
The Tenpō Mameitagin was struck at the Ginza mints beginning in 1837 as part of a broad debasement policy under the Tokugawa shogunate, reducing silver fineness sharply from the earlier Bunsei coinage. The fiscal pressure driving this decision stemmed from chronic shogunate debt and the enormous costs of disaster relief following the Tenpō famines, which killed hundreds of thousands across Honshū through the 1830s.
The 寳 character variant documented under JNDA#09-68 distinguishes this piece within a series notorious for the number of its stamp combinations — collectors have catalogued well over a hundred recognized varieties across the Tenpō mameitagin issues.