Kolumbia
Most látható: Kolumbia - Postaköltség bélyegek (1859 - 2023) - 1 bélyegek.
1962
Airmail - The 6th National Engineers' Congress, 1961 and 75th Anniversary of Colombian Society of Engineers
12. június Vj: Senki Tervezte: Mosdóssy Fogazat: 11½ x 12
![[Airmail - The 6th National Engineers' Congress, 1961 and 75th Anniversary of Colombian Society of Engineers, típus ACN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Colombia/Postage-stamps/ACN-s.jpg)
![[Airmail - The 6th National Engineers' Congress, 1961 and 75th Anniversary of Colombian Society of Engineers, típus ACO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Colombia/Postage-stamps/ACO-s.jpg)
![[Airmail - The 6th National Engineers' Congress, 1961 and 75th Anniversary of Colombian Society of Engineers, típus ACP]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Colombia/Postage-stamps/ACP-s.jpg)
