Austria
A mostrar agora: Austria - Selos Postais (1850 - 2024) - 1 selos.
1961
The 75th Anniversary of Sonnblick Observatory
1. Setembro WM: Nada Desenho: H. Ranzoni D.J. Perfuração: 14½ x 13¾
![[The 75th Anniversary of Sonnblick Observatory, type XS]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Austria/Postage-stamps/XS-s.jpg)
