1969
sheet: 44.8 x 44.9 cm (17 5/8 x 17 11/16 in.)
Offset lithograph printed in green ink on paper
20th centuryGermanOffset photolithograph printed on off-white wove paper
20th centuryGermanOffset lithograph printed in red ink on paper
20th centuryGermanOffset lithograph printed in black and red ink on off-white wove paper
20th centuryGermanOffset lithograph printed in blue-green ink on paper
20th centuryGerman