Ronkholz, Ingo (Krefeld 1953 - 2018 Cologne), Composition with black and white form, oil paint on laid paper, monogrammed and dated (19)91 lower left, signed and dated again on the reverse, sheet size 36 x 49.5 cm, in passepartout in removable frame 51.5 x 61.5 cm, glass pane missing. 4455-141

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