100 Years International Meteorological Cooperation
40 Ct. 1973
Switzerland
| Country: | Switzerland |
| Type: | Postage stamps |
| Series: | OMM/WMO - World Meteorological Organization |
| Nominal: | 40 Ct. |
| Year: | 1973 |
| Material: | phosphorescent |
| Perforation: | comb 11¾ |
OMM/WMO - World Meteorological Organization
