Østrig
Viser nu Østrig - Post frimærker (1850 - 2024) - 1 frimærker.
1956
The 23rd International Congress of Urban Planning, Vienna
8. juni VM: Ingen Design: Josef Seger. Perforeringer: 14½ x 13¾
![[The 23rd International Congress of Urban Planning, Vienna, type UN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Austria/Postage-stamps/UN-s.jpg)
