Austria
Now showing: Austria - Postage stamps (1850 - 2024) - 1 stamps.
1981
UNICHAL Congress - Vienna 1981
11. May WM: None Sheetsize: 50 Design: Johannes Kral. Perforation: 14¼ x 13¾
![[UNICHAL Congress - Vienna 1981, type ATN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Austria/Postage-stamps/ATN-s.jpg)