Zobrazujú sa: Kostarika - Poštové známky (1990 - 1999) - 15 známky.
27. február WM: nikto Perforácia: 10½
![[The 100th Anniversary of National Theatre, typ AJR]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJR-s.jpg)
1. jún WM: nikto Perforácia: 10½
![[Football World Cup - Italy, typ AJS]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJS-s.jpg)
24. august WM: nikto Perforácia: 10½
![[The 50th Anniversary of University of Costa Rica, typ AJT]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJT-s.jpg)
31. október WM: nikto Perforácia: 12½
![[Patriotic Symbols, typ AJU]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJU-s.jpg)
![[Patriotic Symbols, typ AJV]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJV-s.jpg)
![[Patriotic Symbols, typ AJW]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJW-s.jpg)
5. november WM: nikto
![[Airmail - Issue of 1989 Overprinted "LEY 7097 CORREO AEREO", typ AJX]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJX-s.jpg)
16. november WM: nikto Perforácia: 10½
![[Costa Rican Coffee, typ AJY]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJY-s.jpg)
6. december WM: nikto Perforácia: 10½
![[The 150th Anniversary of the Penny Black, typ AJZ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJZ-s.jpg)
18. december WM: nikto Perforácia: 12¾
![[The 100th Anniversaries of Hospitals, typ AKA]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKA-s.jpg)
![[The 100th Anniversaries of Hospitals, typ AKB]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKB-s.jpg)
21. december WM: nikto Perforácia: 10½
![[America - The Natural World, typ AKC]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKC-s.jpg)
![[America - The Natural World, typ AKD]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKD-s.jpg)
![[America - The Natural World, typ AKE]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKE-s.jpg)
![[America - The Natural World, typ AKF]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKF-s.jpg)
