Menampilkan: Kosta Rika - Prangko (1863 - 2025) - 4 prangko.
20. April WM: Tiada Perforasi: 14
![[The 100th Anniversary of the Club Union, San Jose, Tipe BGM]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/BGM-s.jpg)
12. Oktober WM: Tiada Perforasi: 14
![[The 50th Anniversary of the Guayabo National Monument, Tipe ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/1981-b.jpg)
17. November WM: Tiada Perforasi: 14
![[UPAEP Issue - Philately, Tipe ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/1982-b.jpg)
17. November WM: Tiada Perforasi: 14
![[UPAEP Issue - Philately, Tipe ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/1983-b.jpg)
