Airmail - The 100th Anniversary of Central Meterological Observatory 1977
Visar nu: Mexiko - Postfrimärken - 1977 - Airmail - The 100th Anniversary of Central Meterological Observatory - 1 frimärken.
1977
Airmail - The 100th Anniversary of Central Meterological Observatory
4. november WM: 12 Perforering: 14¼
![[Airmail - The 100th Anniversary of Central Meterological Observatory, Typ BCF]](https://www.stampworld.com/media/catalogue/Mexico/Postage-stamps/BCF-s.jpg)
