The portfolio comprising 10 Silkscreen in colors with metal embossings, released by Ars Viva, Zurich 1972. Fürst HWG 44-53. Sheet 10 signed and numbered "177/300" as well as "1770", the other sheets with stamped number. Signed and numbered 1770/3000 on the inside of the case's front board. Sheets signed, dated, titled and inscribed in the printing block. On various types of paper (some with blindstamp). Each 49,5 x 67,5 cm (19,4 x 26,5 in), size of sheet Printed by Dietz Offizin, Lengmoos. Each with printer's and publisher'S embossed stamps. Loose sheets in embossed orig. wood case. The complete set. [EH].