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RudolfKalvach PlakatKunstschauWien Detail. Rudolf Kalvach Detail des Plakats zur Kunstschau in Wien Rudolf Kalvach detail of poster for the art show in Vienna Leopold Museum Vienna WMFile Rudolf Kalvach Plakat Kunstschau beschnitten Rudolf Kalvach File Rudolf Kalvach Plakat Kunstschau beschnitten Original Poster PDold Rudolf