Costa Rica
Now showing: Costa Rica - Postage stamps (1863 - 2023) - 1 stamps.
1978
Airmail - The 50th Anniversary of Pan-American Institute of Geography and History
28. August WM: None Perforation: 12½
![[Airmail - The 50th Anniversary of Pan-American Institute of Geography and History, type XO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Costa-Rica/Postage-stamps/XO-s.jpg)
