The 14th UPU Congress, Ottawa and International Correspondence Week 1957
Now showing: Colombia - Postage stamps - 1957 - The 14th UPU Congress, Ottawa and International Correspondence Week - 2 stamps.
1957
The 14th UPU Congress, Ottawa and International Correspondence Week
10. October WM: None Design: Imprenta nacional de Austria Engraving: Mosdóssy Perforation: 12
![[The 14th UPU Congress, Ottawa and International Correspondence Week, type XXG]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/XXG-s.jpg)
![[The 14th UPU Congress, Ottawa and International Correspondence Week, type XXG1]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/XXG1-s.jpg)
