Østrig
Viser nu Østrig - Post frimærker (1850 - 2024) - 1 frimærker.
1999
The 100th Anniversary of the Austrian Patent Office - 1899-1999
16. april VM: Ingen Arkstørrelse: 50 Design: K. Pach/W. Pfeiler Perforeringer: 13¾
![[The 100th Anniversary of the Austrian Patent Office - 1899-1999, type BRN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Austria/Postage-stamps/BRN-s.jpg)
