The 500th Anniversary of the Birth of Nicholas Copernicus, 1473-1543 1973
Now showing: Mongolia - Postage stamps - 1973 - The 500th Anniversary of the Birth of Nicholas Copernicus, 1473-1543 - 3 stamps.
Now showing: Mongolia - Postage stamps - 1973 - The 500th Anniversary of the Birth of Nicholas Copernicus, 1473-1543 - 3 stamps.