Сега показвам: Коста Рика - Пощенски разноски марки (1990 - 1999) - 10 марки.
25. Март воден знак: Никой Пробиване: 10½
![[Airmail - Paintings in National Theatre, тип AKG]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKG-s.jpg)
24. Май воден знак: Никой Пробиване: 10½
![[The 50th Anniversary of Costa Rica-Panama Boundary Treaty, тип AKH]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKH-s.jpg)
![[The 50th Anniversary of Costa Rica-Panama Boundary Treaty, тип AKI]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKI-s.jpg)
![[The 50th Anniversary of Costa Rica-Panama Boundary Treaty, тип AKJ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKJ-s.jpg)
13. Септември воден знак: Никой
![[Airmail - National Stamp Exhibition "Exfilcori '91" - Costa Rica - Issue of 1990 Overprinted "Aereo EXFILCORI '91", тип AKK]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKK-s.jpg)
11. Октомври воден знак: Никой
![[Airmail - The 100th Anniversary of Basketball, тип AKL]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKL-s.jpg)
11. Октомври воден знак: Никой Пробиване: 13
![[The 500th Anniversary (1992) of Discovery of America by Columbus, тип AKM]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKM-s.jpg)
21. Октомври воден знак: Никой
![[Issue of 1984 and 1988 Surcharged, тип AKO]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKO-s.jpg)
![[Issue of 1984 and 1988 Surcharged, тип AKO1]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKO1-s.jpg)
1. Ноември воден знак: Никой Пробиване: 13¼
![[Airmail - The 50th Anniversary of Social Security Administration, тип AKN]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/AKN-s.jpg)
