Erich Heckel (Döbeln 1883 – 1970 Radolfzell am Bodensee). ”Fluss”. 1923 Watercolour over chalk on paper. 64 × 49,8 cm (25 ¼ × 19 ⅝ in.). Titled, signed and dated in pencil lower left: Fluss Erich Heckel 23. There too a not identified collector's stamp, numbered in pencil: 301. [3215]