The 150th Anniversary of the Birth of Ernst Mach 1988
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1988
The 150th Anniversary of the Birth of Ernst Mach
19. februari WM: Geen Bladformaat: 50 Ontwerp: Helga Herger y Kurt Leitgeb. Perforatie: 14¼ x 13½
![[The 150th Anniversary of the Birth of Ernst Mach, type BCV]](https://www.stampworld.com/media/catalogue/Austria/Postage-stamps/BCV-s.jpg)
