Costa Rica
Visar nu: Costa Rica - Postfrimärken (1863 - 2023) - 1 frimärken.
1975
Airmail - The 16th Convention of Radio Amateurs Federation of Central America and Panama, San Jose
16. april WM: Inga Perforering: 13½
![[Airmail - The 16th Convention of Radio Amateurs Federation of Central America and Panama, San Jose, Typ 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, Typ 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, Typ UP]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Costa-Rica/Postage-stamps/UP-s.jpg)
