Die Geisel des Gefangenen. 1983. Oil on canvas. Monogrammed and dated in upper right. Canvas signed and dated "20.9.1983", as well as with dimensions and direction arrow. 150 x 135 cm (59 x 53.1 in). [CH].
PROVENANCE: Ladengalerie Karoline Müller, Berlin. Private collection Berlin (acquired from aforementioned in 1988).