Airmail - Inauguration of Astro-physical Observatory at Tonanzintla, Puebla 1942
Now showing: Mexico - Postage stamps - 1942 - Airmail - Inauguration of Astro-physical Observatory at Tonanzintla, Puebla - 3 stamps.
1942
Airmail - Inauguration of Astro-physical Observatory at Tonanzintla, Puebla
17. February WM: 7 Perforation: 12 x 13
![[Airmail - Inauguration of Astro-physical Observatory at Tonanzintla, Puebla, type ABR]](https://www.stampworld.com/media/catalogue/Mexico/Postage-stamps/ABR-s.jpg)
![[Airmail - Inauguration of Astro-physical Observatory at Tonanzintla, Puebla, type ABS]](https://www.stampworld.com/media/catalogue/Mexico/Postage-stamps/ABS-s.jpg)
![[Airmail - Inauguration of Astro-physical Observatory at Tonanzintla, Puebla, type ABT]](https://www.stampworld.com/media/catalogue/Mexico/Postage-stamps/ABT-s.jpg)