Østerrike
Viser nå: Østerrike - Postfrimerker (1850 - 2024) - 1 frimerker.
1981
The 11th International Congress on Clinical Chemistry
31. August VM: Ingen Arkstørrelse: 50 Design: Adalbert Pilch y Rudolf Toth. Perforering: 14¼ x 13¾
![[The 11th International Congress on Clinical Chemistry, type ATU]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Austria/Postage-stamps/ATU-s.jpg)
