Centenary of World Meteorological Organisation WMO
53%
| Country: | Vietnam, South |
|---|---|
| Issue: | World Meteorological Day |
| Date: | 1973-03-23 |
| Print: | Offset lithography |
| Perforation: | 12½ x 12 |
| Emission: | Commemorative |
| Format: | Stamp |
| Face Value: | 1 South Vietnamese đồng |