Costa Rica
Now showing: Costa Rica - Postage stamps (1863 - 2023) - 1 stamps.
1980
Airmail - The 14th International Symposium on Remote Sensing of the Environment
10. March WM: None Perforation: 12½
![[Airmail - The 14th International Symposium on Remote Sensing of the Environment, type ZQ]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZQ-s.jpg)
![[Airmail - The 14th International Symposium on Remote Sensing of the Environment, type ZR]](https://www.stampworld.com/media/catalogue/Costa-Rica/Postage-stamps/ZR-s.jpg)