Airmail - The 500th Anniversary of the Birth of Nicholas Copernicus, 1473-1543 1973
Now showing: Chad - Postage stamps - 1973 - Airmail - The 500th Anniversary of the Birth of Nicholas Copernicus, 1473-1543 - 1 stamps.
1973
Airmail - The 500th Anniversary of the Birth of Nicholas Copernicus, 1473-1543
31. March WM: None Perforation: 13
![[Airmail - The 500th Anniversary of the Birth of Nicholas Copernicus, 1473-1543, type PF]](https://www.stampworld.com/media/catalogue/Chad/Postage-stamps/PF-s.jpg)