現在展示： 哥斯達黎加 - （通用）郵票 (1990 - 1999) - 12 郵票.
March 窗口管理器: 空缺 篩孔: 13¼
![[The 90th Anniversary of Rotary International, 類型 AML]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AML-s.jpg)
June 窗口管理器: 空缺 篩孔: 10½
![[Anniversaries, 類型 AMM]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMM-s.jpg)
![[Anniversaries, 類型 AMN]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMN-s.jpg)
24. July 窗口管理器: 空缺 篩孔: 13¼
![[The 50th Anniversary of Guanacaste Institute, 類型 AMO]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMO-s.jpg)
11. September 窗口管理器: 空缺
![[Issue of 1993 Surcharged 5, 類型 AMP]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMP-s.jpg)
24. October 窗口管理器: 空缺 篩孔: 10½
![[The 50th Anniversary of the United Nations, 類型 AMQ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMQ-s.jpg)
1. December 窗口管理器: 空缺 篩孔: 10½
![[The 13th National Stamp Exhibition - Seasonal Paintings by Lola Fernandez, 類型 AMS]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AMS-s.jpg)
25. December 窗口管理器: 空缺 篩孔: 13¼
![[America - Environmental Protection, 類型 ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/1451-b.jpg)
