Airmail - The 11th International Leprosy Congress 1978
Now showing: Mexico - Postage stamps - 1978 - Airmail - The 11th International Leprosy Congress - 1 stamps.
1978
Airmail - The 11th International Leprosy Congress
13. November WM: 12 Design: R. Alcántara R. Perforation: 14¼ x 14
![[Airmail - The 11th International Leprosy Congress, type BEH]](https://www.stampworld.com/media/catalogue/Mexico/Postage-stamps/BEH-s.jpg)