Airmail - The 30th International Asian and North American Science and Humanities Congress, Mexico City 1976
Näytetään: Meksiko - Postimaksumerkit - 1976 - Airmail - The 30th International Asian and North American Science and Humanities Congress, Mexico City - 1 postimerkit.
1976
Airmail - The 30th International Asian and North American Science and Humanities Congress, Mexico City
3. elokuu VM: Ei mitään Perforaatio: 14
![[Airmail - The 30th International Asian and North American Science and Humanities Congress, Mexico City, tyyppi BBD]](https://www.stampworld.com/media/catalogue/Mexico/Postage-stamps/BBD-s.jpg)
