Costa Rica
Praegu kuvatakse: Costa Rica - postmargid (1863 - 2023) - 1 margid.
1978
Airmail - The 6th Inter-American Philatelic Exhibition - Buenos Aires, Argentina
24. oktoober WM: mitte ükski perforatsioon: 16
![[Airmail - The 6th Inter-American Philatelic Exhibition - Buenos Aires, Argentina, Tüüp XQ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Costa-Rica/Postage-stamps/XQ-s.jpg)
