1 Mon `Hakodate-tsūhō` Bosen, octagonal hole
€290,632.00
| Issuer | Ezo Territory |
| Year | 1856 |
| Type | Pattern |
| Value | 1 Mon |
| Currency | Mon (1856-1864) |
| Composition | Copper (Copper alloy) |
| Weight | |
| Dimensions | |
| Thickness | |
| Shape and Technique | Round with cutouts (With an octagonal hole) Cast |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) |