Muri Bhalissa: Kosta Rica - Bolol tal-posta (1980 - 1989) - 14 bolol.
1. February WM: Xejn Perforazzjoni: 13½
![[The 17th Annual General Assembly of International Union for Nature Conservation, Tip ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/1343-b.jpg)
10. April WM: Xejn Perforazzjoni: 10½
![[The 125th Anniversary of Red Cross, Tip AIT]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AIT-s.jpg)
6. June WM: Xejn Perforazzjoni: 11¾
![[Costa Rica-Liechtenstein Cultural Co-operation, Tip AIU]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AIU-s.jpg)
![[Costa Rica-Liechtenstein Cultural Co-operation, Tip AIV]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AIV-s.jpg)
27. June WM: Xejn Perforazzjoni: 10½
![[The 125th Anniversary of Anglo-Costa Rican Bank, Tip AIW]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AIW-s.jpg)
16. September WM: Xejn Perforazzjoni: 13¼
![[Olympic Games - Seoul, South Korea, Tip AIX]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AIX-s.jpg)
![[Olympic Games - Seoul, South Korea, Tip AIY]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AIY-s.jpg)
26. September WM: Xejn Perforazzjoni: 10½
![[Airmail - Airmail Pioneers, Tip AIZ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AIZ-s.jpg)
17. October WM: Xejn Perforazzjoni: 10½
![[The 100th Anniversary of Girls' High School, Tip AJA]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJA-s.jpg)
18. November WM: Xejn Perforazzjoni: 10½
![[The 100th Anniversary of the Birth of Omar Dengo (Director of Heredia Teachers' College), Tip AJC]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJC-s.jpg)
28. November WM: Xejn Perforazzjoni: 13¼
![[The 500th Anniversary (1992) of Discovery of America by Columbus, Tip AJB]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJB-s.jpg)
26. December WM: Xejn Perforazzjoni: 10½
![[The 100th Anniversary of National Meteorological Institute, Tip AJD]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AJD-s.jpg)
