Stamps Situation Interchangeable

1508 - 7th Centenary of the Founding of Hardegg
Manuel Briones
1478 - DCCCL Wildalpen Anniversary
Manuel Briones
1475 - Centenary of the Interparliamentary Union
Manuel Briones
1450 - World Paragliding and Jet Aviation Championships
Manuel Briones
1442 - LXXV Anniversary of the Vienna Concert Hall
Manuel Briones
1373 - CLXXV Anniversary of the Styrian Provincial Museum "Joanneum"
Manuel Briones
1359 - Centenary of the Sonnblick Observatory
Manuel Briones
1359 - Centenary of the Sonnblick Observatory
Manuel Briones
1353 - Krimmler Falls
Manuel Briones
1338 - DCCCL Anniversary of the Founding of the City of Korneuburg
Manuel Briones