Kopf eines Arbeiters. 1923.
Woodcut.
Schapire H 287. Signed and inscribed with work number "237". Inscribed "Abstrakter Kopf" and "Kiefer" in lower margin. On grayish paper. 44.9 x 33.7 cm (17.6 x 13.2 in). Sheet: 71 x 55,7 cm (27,9 x 21,9 in).
Printed by Fritz Voigt, Berlin.
Very rare. This is the first time that a proof of this woodcut is offered on the international auction market (source: www.artnet.de).