Trames. 1965. The portfolio comprising 8 Silkscreens, in original paper folder with imprint as well as with introduction and a table of content, published by Galerie Der Spiegel, Cologne 1965. Each signed and numbered. With number in imprint. One of 125 copies. On firm cardboard by Schoellershammer (without blindstamp). Each 61,8 x 61,9 cm (24,3 x 24,3 in), the full sheet. Printed by Poldi Domberger, Bonlanden. Loose sheets in original typographically inscribed paper folder. The complete set. Contains the so-called RASTER by the artist from 1958-1960. [KP].