Muri Bhalissa: Kosta Rica - Bolol tal-posta (1990 - 1999) - 7 bolol.
11. August WM: Xejn Perforazzjoni: 13¼
![[Entrance of the Saints, San Ramon, Tip ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/1481-b.jpg)
24. September WM: Xejn Perforazzjoni: 10½
![[The 100th Anniversary of School of Fine Arts, Tip AOA]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AOA-s.jpg)
26. September WM: Xejn Perforazzjoni: 13¼
![[The 50th Anniversary of Radio Nederland, Tip AOB]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AOB-s.jpg)
9. October WM: Xejn Perforazzjoni: 10½
![[America - The Postman - The 14th National Stamp Exhibition, Tip AOC]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AOC-s.jpg)
10. November WM: Xejn Perforazzjoni: 10½
![[The 200th Anniversary of Church of the Immaculate Conception, Heredia, Tip AOD]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AOD-s.jpg)
