| Issuer | Japan |
| Year | 1874-1892 |
| Type | Standard circulation coin |
| Value | 1 Yen (1 JPY) |
| Currency | Yen (1871-date) |
| Composition | Gold (.900) |
| Weight | 1.67 g |
| Dimensions | 12.12 mm |
| Thickness | |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | Y#9a, JNDA#01-5A |
| Obverse description | Big value surrounded by text |
| Obverse script | |
| Obverse lettering | 年 七 治 明 本 日 大 • 一 圓 (Translation: • Great Japan Year 7 of Meiji 1 Yen) |
| Reverse description | Sunburst crest superimposed on sacred mirror, flanked by military banners, chrysanthemum above with paulowian crest below |
| Reverse script | |
| Reverse lettering | |
| Edge | Reeded |
| Mint | |
| Mintage | 7 (1874) - 年七治明 - 116 341 9 (1876) - 年九治明 - 138 10 (1877) - 年十治明 - 7 246 13 (1880) - 年三十治明 - 112 25 (1892) - 年五十二治明; see comment section - |
| Catalog ID | 4462249580 |
| Comments |
