Airmail - Inauguration of Astro-physical Observatory at Tonanzintla, Puebla 1942
Most látható: Mexikó - Postaköltség bélyegek - 1942 - Airmail - Inauguration of Astro-physical Observatory at Tonanzintla, Puebla - 3 bélyegek.
1942
Airmail - Inauguration of Astro-physical Observatory at Tonanzintla, Puebla
17. február Vj: 7 Fogazat: 12 x 13
![[Airmail - Inauguration of Astro-physical Observatory at Tonanzintla, Puebla, típus ABR]](https://www.stampworld.com/media/catalogue/Mexico/Postage-stamps/ABR-s.jpg)
![[Airmail - Inauguration of Astro-physical Observatory at Tonanzintla, Puebla, típus ABS]](https://www.stampworld.com/media/catalogue/Mexico/Postage-stamps/ABS-s.jpg)
![[Airmail - Inauguration of Astro-physical Observatory at Tonanzintla, Puebla, típus ABT]](https://www.stampworld.com/media/catalogue/Mexico/Postage-stamps/ABT-s.jpg)
