Airmail - World Refugee Year - Issue of 1956 Overprinted "ANO MUNDIAL DE LOS REFUGIADOS 1959-1960" 1960
Now showing: El Salvador - Postage stamps - 1960 - Airmail - World Refugee Year - Issue of 1956 Overprinted "ANO MUNDIAL DE LOS REFUGIADOS 1959-1960" - 1 stamps.
![[Airmail - World Refugee Year - Issue of 1956 Overprinted "ANO MUNDIAL DE LOS REFUGIADOS 1959-1960", type HS9]](https://www.stampworld.com/media/catalogue/El-Salvador/Postage-stamps/HS9-s.jpg)