ZERO lenk mack pfahler uecker. Padiglione tedesco of the XXXV Biennale di Venezia 1970. 4 catalogues with 3 (of 4) enclosed original prints and numerous illustrations. Essen, Folkwang, 1970. 8 pp. each. Folio. Softcover printed in various colours in OM folder (folder unfresh and minimally soiled). Catalogue of the German pavilion at the 35th Biennale, dedicated to the artists of the Düsseldorf Op-Art group 'Zero'. - With 1 colour serigraph each by Lenk and Pfahler and 1 embossed print (nail relief) by Günter Uecker. - The brochures slightly used and minimally soiled, some of the works minimally browned in the margins, only occasional surface rubbing. Very good overall. 4 catalogues with 4 enclosed original graphics and numerous illustrations. Essen, Folkwang, 1970. 8 ll. each. Folio. Brochure in various colours printed in OFolder. (Portfolio unfresh and minimally soiled). Catalogue of the German Pavilion at the 35th Biennale, dedicated to the artists of the Düsseldorf Op-Art Grupe 'Zero'. - With 1 colour serigraph each by Lenk and Pfahler, 1 serigraph by Heinz Mack on silver foil and 1 embossed print (nail relief) by Günter Uecker. - The introductory texts by D. Honisch. - Interior in good condition.