The 18th Congress of International Astronautical Federation 1967
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1967
The 18th Congress of International Astronautical Federation
25. september WM: Inga Perforering: 12½
![[The 18th Congress of International Astronautical Federation, Typ AYE]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Yugoslavia/Postage-stamps/AYE-s.jpg)
