Karl Schmidt-Rottluff (Rottluff 1884 – 1976 Berlin). Floral still life with delphinium. Circa 1970 Wax crayon and brush and India ink on laid paper. 54 × 40 cm (21 ¼ × 15 ¾ in.). Signed in pen and black ink lower right: SRottluff. [3131] Provenance: Private Collection, Oldenburg/Bremen