Austria FIRST DAY COVER Ballonpostflug and Red Cross Cancels Cachet $$
Austria Postal Stationery 1957 Flowers on Liechtenstein Stationery $$
Austria Postal Stationery 1975 Heinrich Angeli 2sk Airplane 5sk $$
Austria Postal Stationery 1985 Keutschacher See Scene Cachet $$
