The 50th Anniversary of the Death of Richard Zsigmondy 1979
Now showing: Austria - Postage stamps - 1979 - The 50th Anniversary of the Death of Richard Zsigmondy - 1 stamps.
1979
The 50th Anniversary of the Death of Richard Zsigmondy
21. September WM: None Sheetsize: 50 Design: Adalbert Pilch y Alfred Fischer. Perforation: 14¼ x 13¾
![[The 50th Anniversary of the Death of Richard Zsigmondy, type ARR]](https://www.stampworld.com/media/catalogue/Austria/Postage-stamps/ARR-s.jpg)
