The 39th Convention of the International Institute of Statistics 1973
Now showing: Austria - Postage stamps - 1973 - The 39th Convention of the International Institute of Statistics - 1 stamps.
1973
The 39th Convention of the International Institute of Statistics
20. August WM: None Sheetsize: 50 Design: Adalbert Pilch y Kurt Leitgeb. Perforation: 14½ x 13¾
![[The 39th Convention of the International Institute of Statistics, type AJW]](https://www.stampworld.com/media/catalogue/Austria/Postage-stamps/AJW-s.jpg)
