Stuttgart: Edition Rot, 1965. First edition. Softcover square 8vo in wrappers printed in red and black. With pages printed in black and white. Unpaginated (12 pp.) Text in German.
Issue no. 20 in the Rot series edited by Max Bense and Elisabeth Walther largely devoted to concrete poetry and the exploration of language and letterforms. This issue featuring a selection of writings by Charles Sanders Peirce and an afterword by Elisabeth Walther.
Very good or better with trace amounts of rubbing to covers and light age toning. Item #806