The 13th IULCS Convention in Vienna 1973
Now showing: Austria - Postage stamps - 1973 - The 13th IULCS Convention in Vienna - 1 stamps.
1973
The 13th IULCS Convention in Vienna
4. September WM: None Sheetsize: 50 Design: Alfred Fischer y Otto Zeiller. Perforation: 14
![[The 13th IULCS Convention in Vienna, type AJZ]](https://www.stampworld.com/media/catalogue/Austria/Postage-stamps/AJZ-s.jpg)