Zobrazujú sa: Kostarika - Poštové známky (1990 - 1999) - 7 známky.
11. august WM: nikto Perforácia: 13¼
![[Entrance of the Saints, San Ramon, typ ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/1481-b.jpg)
24. september WM: nikto Perforácia: 10½
![[The 100th Anniversary of School of Fine Arts, typ AOA]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AOA-s.jpg)
26. september WM: nikto Perforácia: 13¼
![[The 50th Anniversary of Radio Nederland, typ AOB]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AOB-s.jpg)
9. október WM: nikto Perforácia: 10½
![[America - The Postman - The 14th National Stamp Exhibition, typ AOC]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AOC-s.jpg)
10. november WM: nikto Perforácia: 10½
![[The 200th Anniversary of Church of the Immaculate Conception, Heredia, typ AOD]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AOD-s.jpg)
