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| 正面描述 | 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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| 正面文字 | 登录 以查看详情 |
| 正面铭文 | 保 保 (Translation: Hō Hō) |
| 背面描述 | 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. |
| 背面文字 | 登录 以查看详情 |
| 背面铭文 | 登录 以查看详情 |
| 边缘 | 登录 以查看详情 |
| 铸币厂 | 登录 以查看详情 |
| 铸造量 | 登录 以查看详情 |
| 附加信息 | 登录 以查看详情 |