Christian Rohlfs ROTE BLÜTEN Dated lower right (indistinctly): 28 1928 Water-based tempera and crayon on handmade laid paper 43 x 55,5 cm Private collection, North Rhine-Westphalia / Private collection, Berlin Christian Rohlfs, Werke aus Hagener Privatbesitz. Hagen, Sparkasse, 1978, full-page colour ill. 18 (dated "1926") Not in the catalogue raisonné by Vogt 43 x 55,5 cm