Lithograph in colors Galfetti 516. Signed and numbered 105/150. On wove paper by BFK Rives (with watermark). 78 x 60,8 cm (30,7 x 23,9 in)Sheet: 89,6 x 63,8 cm (35,2 x 25,1 in). Printed by the Erker-Presse, St. Gallen (with blindstamp). Released by 'Verlag Kunstverein für die Rheinlande und Westfalen', Düsseldorf and the Erker-Presse St. Gallen. The motif was also used for the poster of the Tąpies exhibition of the Erker-Galerie in the context of the Art 6 '75, Basel, 18 - 23 June 1975. [SM].