Austria
Now showing: Austria - Postage stamps (1850 - 2024) - 1 stamps.
1986
The 100th Anniversary of the Observatory on the Sonnblick
5. September WM: None Design: Gerhart Schmirl y Otto Zeiller. Perforation: 13¾ x 14½
![[The 100th Anniversary of the Observatory on the Sonnblick, type BAT]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Austria/Postage-stamps/BAT-s.jpg)