Austria
Now showing: Austria - Postage stamps (1850 - 2024) - 1 stamps.
1956
The 5th World Energy Conference - Vienna 1956
8. May WM: None Design: Elisabeth Fritz Engraving: Georg Wimmer Perforation: 13¾ x 14½
![[The 5th World Energy Conference - Vienna 1956, type UM]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Austria/Postage-stamps/UM-s.jpg)
