Airmail - World Conference on Technical Co-operation between Underdeveloped Countries 1978
Now showing: Mexico - Postage stamps - 1978 - Airmail - World Conference on Technical Co-operation between Underdeveloped Countries - 2 stamps.
1978
Airmail - World Conference on Technical Co-operation between Underdeveloped Countries
21. April WM: 12 Sheetsize: 25 Design: Gad Almaliah Perforation: 14¼
![[Airmail - World Conference on Technical Co-operation between Underdeveloped Countries, type BDG]](https://www.stampworld.com/media/catalogue/Mexico/Postage-stamps/BDG-s.jpg)
![[Airmail - World Conference on Technical Co-operation between Underdeveloped Countries, type BDH]](https://www.stampworld.com/media/catalogue/Mexico/Postage-stamps/BDH-s.jpg)
