| Issuer | Japan |
| Year | 1870 |
| Type | Pattern |
| Value | 1 Sen (0.01 JPY) |
| Currency | Yen (1871-date) |
| Composition | Copper |
| Weight | 7.13 g |
| Dimensions | 27.8 mm |
| Thickness | |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#Pn9 |
| 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 · 錢 一 · (Translation: Great Japan · Year 3 of Meiji · 1 SEN ·) |
| Reverse description | Sunburst crest within beaded circle and wreath, chrysanthemum above with paulowian crest below |
| Reverse script | Chinese (traditional, regular script) |
| Reverse lettering | 圓ー換枚百以 (Translation: Exchange 100 coins for one yen) |
| Edge | Smooth |
| Mint | |
| Mintage | 3 (1870) - - |
| Catalog ID | 6580915520 |
| Comments |
