A.G. Bell
86%
| Country: | Guinea, Social Democratic Republic |
|---|---|
| Issue: | 100° Invention Telephgone |
| Date: | 1976-11-15 |
| Size: | 46 x 30 |
| Perforation: | 13½ x 13 |
| Emission: | Commemorative |
| Format: | Stamp |
| Face Value: | 5 Guinean syli |