Maurizio Nannucci, Provisoire & définitif
Geneva, Ecart, 1975. Issued as Double Sphinx Serie No.9, in an edition of 250. Folded leafs, 20 x 14 cm, 34 pp. printed black on yellow paper. Conceptual language piece featuring one word, letter or number on each page, with title and conclusion in French.
The booklet was later published in various languages on different colours of paper. (e.g. an Italian version was released in 1983 printed red on pink paper). Good copy.