Philipp Reis, overprint
56%
| Country: | Comoros |
|---|---|
| Issue: | Telephone centenary |
| Date: | 1979-09-15 |
| Print: | Offset lithography |
| Perforation: | comb 13½ |
| Emission: | Commemorative |
| Format: | Stamp |
| Face Value: | 75 Comorian franc |