The 100th Anniversary of Colombian Society of Engineers 1994
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1994
The 100th Anniversary of Colombian Society of Engineers
20. October VM: Ingen Arkstørrelse: 25 Design: Martha García G. Gravering: Carvajal S.A. Perforering: 12
![[The 100th Anniversary of Colombian Society of Engineers, type BLH]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/BLH-s.jpg)
