Austria
Prezentat acum: Austria - Timbre poştale (1850 - 2024) - 1 timbre.
1981
The 75th Anniversary of the Death of Ludwig Boltzmann
4. Septembrie WM: Niciunul Marimea foii: 50 Design: Alfred Nefe y Sepp Buchner. Perforare: 14¼ x 13¾
![[The 75th Anniversary of the Death of Ludwig Boltzmann, Tip ATV]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Austria/Postage-stamps/ATV-s.jpg)
