1 Mon 'Kanpyōtaihō'
€1.00
| Issuer | Japan |
| Year | 890-907 |
| Type | Standard circulation coin |
| Value | 1 Mon |
| Currency | Mon (683-1953) |
| Composition | Copper |
| Weight | |
| Dimensions | |
| Thickness | |
| Shape and Technique | Round with a square hole Cast |
| Orientation | |
| Engraver(s) | |
| In circulation to | 25 November 0987 |
| Reference(s) | DHJ#1.60-1.63 |