Airmail - The 1st International Electrical and Electronic Communications Congress, Mexico City 1974
Now showing: Mexico - Postage stamps - 1974 - Airmail - The 1st International Electrical and Electronic Communications Congress, Mexico City - 1 stamps.
1974
Airmail - The 1st International Electrical and Electronic Communications Congress, Mexico City
7. October WM: 12 Perforation: 14