Costa Rica
Prezentat acum: Costa Rica - Timbre poştale (1863 - 2023) - 1 timbre.
1975
Airmail - The 16th Convention of Radio Amateurs Federation of Central America and Panama, San Jose
16. Aprilie WM: Niciunul Perforare: 13½
![[Airmail - The 16th Convention of Radio Amateurs Federation of Central America and Panama, San Jose, Tip UN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Costa-Rica/Postage-stamps/UN-s.jpg)
![[Airmail - The 16th Convention of Radio Amateurs Federation of Central America and Panama, San Jose, Tip UO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Costa-Rica/Postage-stamps/UO-s.jpg)
![[Airmail - The 16th Convention of Radio Amateurs Federation of Central America and Panama, San Jose, Tip UP]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Costa-Rica/Postage-stamps/UP-s.jpg)