The 50th Anniversary of Engineering Institute of National Autonomous University of Mexico - UNAM 2006
Now showing: Mexico - Postage stamps - 2006 - The 50th Anniversary of Engineering Institute of National Autonomous University of Mexico - UNAM - 1 stamps.
2006
The 50th Anniversary of Engineering Institute of National Autonomous University of Mexico - UNAM
5. October WM: None Perforation: 13¼ x 13
![[The 50th Anniversary of Engineering Institute of National Autonomous University of Mexico - UNAM, type DNN]](https://www.stampworld.com/media/catalogue/Mexico/Postage-stamps/DNN-s.jpg)
