Airmail - Project for Manned Mars Expeditions 1977
Now showing: Paraguay - Postage stamps - 1977 - Airmail - Project for Manned Mars Expeditions - 1 stamps.
1977
Airmail - Project for Manned Mars Expeditions
28. October WM: None Sheetsize: 1 Engraving: Lito. Nacional. Porto. Portugal. Perforation: 13½
![[Airmail - Project for Manned Mars Expeditions, type ]](https://www.stampworld.com/media/catalogue/Paraguay/Postage-stamps/3000-b.jpg)
