Airmail - The 20th International Geological Congress 1956
A mostrar agora: Mexico - Selos Postais - 1956 - Airmail - The 20th International Geological Congress - 1 selos.
A mostrar agora: Mexico - Selos Postais - 1956 - Airmail - The 20th International Geological Congress - 1 selos.
![[Airmail - The 20th International Geological Congress, type AJL]](https://www.stampworld.com/media/catalogue/Mexico/Postage-stamps/AJL-s.jpg)
