Airmail - The 25th Anniversary of Inter-American Institute of Agricultural Sciences 1967
Now showing: Guatemala - Postage stamps - 1967 - Airmail - The 25th Anniversary of Inter-American Institute of Agricultural Sciences - 3 stamps.
1967
Airmail - The 25th Anniversary of Inter-American Institute of Agricultural Sciences
12. December WM: None Perforation: 11½
![[Airmail - The 25th Anniversary of Inter-American Institute of Agricultural Sciences, type VB]](https://www.stampworld.com/media/catalogue/Guatemala/Postage-stamps/VB-s.jpg)
