Administrative Council of UPU Consultative Commission of Postal Studies 1967
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1967
Administrative Council of UPU Consultative Commission of Postal Studies
13. Oktober Wz: Keine Design: Claudio Alonso Gravieren: De La Rue de Colombia Zähnung: 13½ x 14
![[Administrative Council of UPU Consultative Commission of Postal Studies, Typ AFN]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/AFN-s.jpg)
![[Administrative Council of UPU Consultative Commission of Postal Studies, Typ AFO]](https://www.stampworld.com/media/catalogue/Colombia/Postage-stamps/AFO-s.jpg)
