Ohne Titel (2 Blätter). Um 1970.
Mixed media . Oil and black chalks on sand paper.
One sheet signed, the other inscribed "Top" and with direction arrow on verso. 22.8 x 28 cm (8.9 x 11 in). 22,8 x 16,5 cm ( 9 x 6,5 in).
[JS].

PROVENANCE: Dr. Fritz Low (acquired directly from the artist around 1970).
Bernard Gimpel (acquired from aforementioned around 1980).
Bonhams, London, October 19, 2004, lot 68.
Private collection Germany (2004-2012).
Private collection Rhineland-Palatinate (2012-2016).
Private collection Frankfurt (since 2016).