現在展示： 哥斯達黎加 - （通用）郵票 (1990 - 1999) - 10 郵票.
25. March 窗口管理器: 空缺 篩孔: 10½
![[Airmail - Paintings in National Theatre, 類型 AKG]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKG-s.jpg)
24. May 窗口管理器: 空缺 篩孔: 10½
![[The 50th Anniversary of Costa Rica-Panama Boundary Treaty, 類型 AKH]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKH-s.jpg)
![[The 50th Anniversary of Costa Rica-Panama Boundary Treaty, 類型 AKI]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKI-s.jpg)
![[The 50th Anniversary of Costa Rica-Panama Boundary Treaty, 類型 AKJ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKJ-s.jpg)
![[Airmail - National Stamp Exhibition "Exfilcori '91" - Costa Rica - Issue of 1990 Overprinted "Aereo EXFILCORI '91", 類型 AKK]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKK-s.jpg)
11. October 窗口管理器: 空缺
![[Airmail - The 100th Anniversary of Basketball, 類型 AKL]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKL-s.jpg)
11. October 窗口管理器: 空缺 篩孔: 13
![[The 500th Anniversary (1992) of Discovery of America by Columbus, 類型 AKM]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKM-s.jpg)
21. October 窗口管理器: 空缺
![[Issue of 1984 and 1988 Surcharged, 類型 AKO]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKO-s.jpg)
![[Issue of 1984 and 1988 Surcharged, 類型 AKO1]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKO1-s.jpg)
1. November 窗口管理器: 空缺 篩孔: 13¼
![[Airmail - The 50th Anniversary of Social Security Administration, 類型 AKN]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKN-s.jpg)
