A.R. Penck Untitled 1981 Gouache on cardboard Signed and inscribed in pencil upper right: a.r.penck L. Inscribed, signed and dated in pencil lower right: sc ar penck 81 21 1/2 × 29 1/2 in. A.R.Penck. Berlin, Nationalgalerie, Staatliche Museen, Preußischer Kulturbesitz; Zurich, Kunsthaus Zurich, 1988, cat. no. 178, ill. p. 242 (only exhibited in Berlin) Berliner Sparkasse Collection (acquired 1996 at Achenbach Art Consulting GmbH, Dusseldorf)