The complete set of three works, comprised of one gold leaf and two screenprints in color, on card, the full sheets,

1961

all S. 12 1/2 x 9 in. (31.8 x 22.9 cm)

published by the Kaiser Wilhelm Museum, Krefeld on occasion of the exhibition Monochrome under Feuer at the Museum Haus Lange, Krefeld, 14 January-26 February 2961, framed.