The 80th Anniversary of the IPN - National Polytechnic Institute 2016
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2016
The 80th Anniversary of the IPN - National Polytechnic Institute
20. May WM: None Sheetsize: 25 Design: Sergio Barranca Rábago Perforation: 13
![[The 80th Anniversary of the IPN - National Polytechnic Institute, type EPI]](https://www.stampworld.com/media/catalogue/Mexico/Postage-stamps/EPI-s.jpg)
