Avstrija
Sedaj prikazano: Avstrija - Poštne znamke (1850 - 2024) - 1 znamke.
1961
The 75th Anniversary of Sonnblick Observatory
1. september WM: Nič Oblika: H. Ranzoni D.J. Perforacija: 14½ x 13¾
![[The 75th Anniversary of Sonnblick Observatory, tip XS]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Austria/Postage-stamps/XS-s.jpg)
