The 100th Anniversary of the Birth of Oskar Helmer 1987
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1987
The 100th Anniversary of the Birth of Oskar Helmer
13. november VM: Ingen Arkstørrelse: 50 Design: Kurt Leitgeb y Otto Zeiller. Perforeringer: 14
![[The 100th Anniversary of the Birth of Oskar Helmer, type BCQ]](https://www.stampworld.com/media/catalogue/Austria/Postage-stamps/BCQ-s.jpg)
