The 50th Anniversary of the Vienna International Trade Fair 1971
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1971
The 50th Anniversary of the Vienna International Trade Fair
6. September WM: None Sheetsize: 50 Design: Otto Zeiller. Perforation: 13½ x 12¾
![[The 50th Anniversary of the Vienna International Trade Fair, type AIB]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Austria/Postage-stamps/AIB-s.jpg)
