Symbolic waves
53%
| Country: | Ethiopia |
|---|---|
| Issue: | 3rd World Telecommunications Exhibition, Geneva |
| Date: | 1979-09-20 |
| Print: | Photogravure |
| Perforation: | 11½ |
| Emission: | Commemorative |
| Format: | Stamp |
| Face Value: | 5 Ethiopian cent |