Airmail - The 100th Anniversary of National Mines Faculty of National University, Medellin 1987
Now showing: Colombia - Postage stamps - 1987 - Airmail - The 100th Anniversary of National Mines Faculty of National University, Medellin - 1 stamps.
1987
Airmail - The 100th Anniversary of National Mines Faculty of National University, Medellin
10. April WM: None Engraving: De La Rue de Colombia Perforation: 13½ x 13
![[Airmail - The 100th Anniversary of National Mines Faculty of National University, Medellin, type BBO]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/BBO-s.jpg)
