Airmail - The 14th UPU Congress, Ottawa and International Correspondence Week 1957
Now showing: Colombia - Postage stamps - 1957 - Airmail - The 14th UPU Congress, Ottawa and International Correspondence Week - 2 stamps.
1957
Airmail - The 14th UPU Congress, Ottawa and International Correspondence Week
10. October WM: None Design: Mosdóssy Engraving: Imprenta nacional de Austria Perforation: 12
![[Airmail - The 14th UPU Congress, Ottawa and International Correspondence Week, type XXG2]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/XXG2-s.jpg)
![[Airmail - The 14th UPU Congress, Ottawa and International Correspondence Week, type XXG3]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/XXG3-s.jpg)
