| Issuer | Japan |
| Year | 1859 |
| Type | Standard circulation coin |
| Value | 1 Ryō |
| Currency | Ryō (1595-1874) |
| Composition | Gold (.570) |
| Weight | 8.97 g |
| Dimensions | |
| Thickness | |
| Shape and Technique | Oval |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | 5 September 1874 |
| Reference(s) | C#22c, JNDA#09-22 |
| Obverse description | A fan-shaped Kiri crest, a square panel with the value, a square panel with the signature of the Mint Official, and another fan-shaped Kiri crest |
| Obverse script | Chinese (traditional, grass script), Chinese (traditional, regular script) |
| Obverse lettering | 壱 両 光 次 (Translation: One Ryō Mitsutsugu) |
| Reverse description | Butter-fly-like signature, stamp of era characters, and the stamps of mint officials |
| Reverse script | Chinese (traditional, regular script) |
| Reverse lettering | 正 (Translation: Sei) |
| Edge | |
| Mint | |
| Mintage | ND (1859) - - |
| Catalog ID | 8048770200 |
| Comments |
