Rudolf Sieck (1877-1957) for Nymphenburg Jugendstil porcelain vase and cover, circa 1910, with flowers and butterflies all around, impressed shield and green printed Nymphenburg marks, 19cm high Ref: the German painter Rudolf Sieck studied with Ernst Zimmermann at the School of Applied Arts in Munich, later joining the Die Welle artist association. Sieck developed a wide range of new underglaze colour for Nymphenburg