1 sen 1899
| Value | 1 sen |
| KM# | Y# 20 |
| Year | 31-42 (1898-1909) |
| Material | Copper |
| Weight, g. | 7.1 |
| Diameter, mm | 28.0 |
| Orientation | medallic alignment ↑↑ |
| Value | 1 sen |
| KM# | Y# 20 |
| Year | 31-42 (1898-1909) |
| Material | Copper |
| Weight, g. | 7.1 |
| Diameter, mm | 28.0 |
| Orientation | medallic alignment ↑↑ |