The portfolio comprising 50 Silkscreen in colors, cover and imprint, published by Rüdiger Schöttle, Munich 1979 Tate Gallery S 31. Each signed, numbered 3/10 and with sheet number. On wove paper by Arches (lacking watermark). Each 35,5 x 71,2 cm (13,9 x 28 in)Sheet: each 40,7 x 76,5 cm (16 x 30,1 in). Printed by Jo Watanabe, New York. Loose sheets in wooden case. The complete set. [SM].