Airmail - Planetary Research 1973
Now showing: Paraguay - Postage stamps - 1973 - Airmail - Planetary Research - 3 stamps.
1973
Airmail - Planetary Research
14. November WM: None Engraving: Lito. Nacional. Porto. Portugal. Perforation: 13
![[Airmail - Planetary Research, type BAZ]](https://www.stampworld.com/media/catalogue/Paraguay/Postage-stamps/BAZ-s.jpg)
![[Airmail - Planetary Research, type BBA]](https://www.stampworld.com/media/catalogue/Paraguay/Postage-stamps/BBA-s.jpg)
![[Airmail - Planetary Research, type BBB]](https://www.stampworld.com/media/catalogue/Paraguay/Postage-stamps/BBB-s.jpg)
