Colombia 1974 Centenary of the UPU (first issue)
From Stamps of the World
- Issue date: 9th September 1974
- one value
- Designed by: I Mosdossy
- Printed by: De La Rue Colombia
- Print Process: lithography
- stamp height 30mm x width 40mm
- Perforations: 13.9 x 13.6
Centenary of the Universal Postal Union 1897-1974
20.00p (AIRMAIL) ~ mock-up of airmail envelope bearing the stamp
