| Issuer | Japan |
| Year | 1870 |
| Type | Pattern |
| Value | 21/2 Yen (2.5 JPY) |
| Currency | Yen (1871-date) |
| Composition | Copper |
| Weight | |
| Dimensions | |
| Thickness | |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) |
| Obverse description | Dragon within beaded circle, legends above, written value below |
| Obverse script | Chinese (traditional, regular script) |
| Obverse lettering | 年 三 治 明 · 本 日 大 · 半 圓 二 · (Translation: Great Japan · Year 3 of Meiji · Two Yen [and a] half ·) |
| Reverse description | Sunburst surrounded by five 5-7 paulownia seals and seven chrysanthemum seals, alternating each other. |
| Reverse script | |
| Reverse lettering | |
| Edge | |
| Mint | |
| Mintage | 3 (1870) - - |
| Catalog ID | 6401875980 |
| Comments |
