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1 Ryō 'Kyōhō Koban'
| Issuer | Kinza (Gold Mint), Tokugawa Shogunate |
|---|---|
| Year | 1714-1736 |
| Type | Log in to see details |
| Value | 1 Ryō |
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| Composition | Log in to see details |
| Weight | Log in to see details |
| Diameter | Log in to see details |
| Thickness | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Chinese (traditional, grass script) |
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| Reverse description | The reverse displays the same characteristic granulated (nanako) gold surface as the obverse. Prominently at the center, a large circular stamp bears the cursive kaō (monogram) of the certifying mint official, applied in raised relief. In the lower left field, two small circular official assay marks are stamped side by side, each enclosing a single Chinese character identifying the specific mint official pair responsible for quality certification of this issue. |
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| Reverse lettering | Log in to see details |
| Edge | Log in to see details |
| Mint | Kinza (Gold Mint), Edo |
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