Medium: color pochoir. Executed in 1957 and issued in 1958 by the deluxe art revue XXe Siecle (issue No. 11 "Les nouveaux rapports de l'art et de la nature"). Sheet size: 9 1/8 x 12 3/8 inches (232 x 315mm). Condition: there is a bump to one corner of the sheet. Signed in the plate (not by hand).