Airmail - The 20th Anniversary of UNESCO 1967
Now showing: Guatemala - Postage stamps - 1967 - Airmail - The 20th Anniversary of UNESCO - 4 stamps.
1967
Airmail - The 20th Anniversary of UNESCO
12. December WM: None Design: Arnoldo Chavarry Arrué. Engraving: Taller Nacional de Grabados en Acero. Perforation: 11½
![[Airmail - The 20th Anniversary of UNESCO, type VA]](https://www.stampworld.com/media/catalogue/Guatemala/Postage-stamps/VA-s.jpg)
![[Airmail - The 20th Anniversary of UNESCO, type VA1]](https://www.stampworld.com/media/catalogue/Guatemala/Postage-stamps/VA1-s.jpg)
![[Airmail - The 20th Anniversary of UNESCO, type VA2]](https://www.stampworld.com/media/catalogue/Guatemala/Postage-stamps/VA2-s.jpg)
![[Airmail - The 20th Anniversary of UNESCO, type VA3]](https://www.stampworld.com/media/catalogue/Guatemala/Postage-stamps/VA3-s.jpg)
