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'Tenpō Chōgin' 12 Daikoku
| Issuer | Tokugawa Shogunate Mint (Ginza) |
|---|---|
| Year | 1837-1858 |
| Type | Standard circulation coin |
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| Composition | Log in to see details |
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| Obverse description | Obverse of this irregular oval billon ingot-coin bearing twelve Daikoku stamps (hallmarks of the Ginza authority) applied across the field in two vertical rows flanking the central area. Each Daikoku stamp is enclosed within a circular cartouche displaying the character 大黒 (Daikoku), the legendary god of wealth, serving as the official assay mark of the Tokugawa monetary administration. Two additional 保 (Hō) stamps are struck near both extremities of the oval, indicating the Tenpō-era issue authorization. A red lacquer seal mark is visible at the center of the field, characteristic of this emission. |
|---|---|
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| Obverse lettering | 保 保 (Translation: Hō Hō) |
| Reverse description | Reverse of this irregular oval billon ingot displays a plain, unworked surface with a naturally textured, slightly convex field resulting from the casting and hammering process. No stamps, legends, or devices are present. The surface exhibits the characteristic grainy, darkened patina typical of Tenpō Chōgin silver-billon pieces, with the metal's low silver content visible in the overall dark grey-bronze tonality of the flan. |
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