75th Anniversary of the Helwan Observatory 20 M — Egypt, 1978
75th Anniversary of the Helwan Observatory (Egypt, 1978), face value 20 M. Photo, catalogue value, details and photo identification.
- Issue date
- 1978
- Face value
- 20 M
- Colors
- Multicolor
- Yvert
- EG 1077
- Michel
- EG 1304
- Stanley Gibbons
- EG 1376
- Scott
- EG 1096