Mexican Society for Geotechnical Engineering 2018
Now showing: Mexico - Postage stamps - 2018 - Mexican Society for Geotechnical Engineering - 1 stamps.
2018
Mexican Society for Geotechnical Engineering
20. September WM: None Sheetsize: 50 Design: Rodolfo Espíndola Betancourt Perforation: 13
![[Mexican Society for Geotechnical Engineering, type ETX]](https://www.stampworld.com/media/catalogue/Mexico/Postage-stamps/ETX-s.jpg)
