BUTOR (Michel), HÉROLD (Jacques). Approach work. Eocene. Miocene. Pliocene. Preface-interview with Roger Borderie. Paris: Gallimard, 1972. - In-16, in sheets, cover filled, in a plexiglass box containing in a side compartment a faded rose and a piece of cut rock crystal. Original edition. One of the 70 copies set aside for Robert Altmann, illustrated with an original etching in colors signed by Jacques Hérold, of which the first 4 and the last 4 leaves are printed on Auvergne wove paper, housed in a box designed by the illustrator, here including a compartment containing a faded rose and a piece of cut rock crystal, all numbered and signed by the author and the artist. Small, harmless stains on the cover.