A R (Ralf Winkler) Penck (German, 1939-2017) lithograph. Titled 'Erste Konzentrarion, Mappe II, Munich, Maximilian Verlag, 1982'. Pencil signed lower right. Numbered 7/8 lower left. Measures 27" x 21" + 5" mat & frame.
Pre-Sale estimate $300-$400.
