1971
sheet: 39.8 x 40 cm (15 11/16 x 15 3/4 in.)
Offset lithograph printed in green ink on paper
20th centuryGermanOffset photolithograph printed on off-white wove paper
20th centuryGermanColor offset lithograph
20th centuryGermanOffset lithograph printed in yellow ink on paper
20th centuryGermanColor photolithograph on vinyl
20th centuryGerman