Valoch, Kostelanetz, Ibou

(1) Valoch, Optical book. Amodulo, Brescia. Softcover, 20 x 20 cm, 20 pp., ed. 1000. Artists’ book featuring a single thin red vertical line in a different position on each page. Bend at top left, else fine. (2) Vytvarny Bulletin, 1971. Stapled booklet, A4, 22 pp. text in Czechoslovakian by Jiri Valoch, with concrete poetry contributions by Hansjörg Mayer, Herman de Vries, Vigo, Ladislav Novak, Valoch et al.

(3) Richard Kostelanetz, Modulations. New York, 1975. Poster 58 x 44 cm, printed black on yellow paper, folded twice, edition of 300. Meant to be cut and assembled in an accordion style booklet. (4) Paul Ibou, Quadri-structures I. Antwerp, Iboubook No.4, 1975. 12 x 9.5 cm. Signed and numbered on back 284/999. (total 4)