CHAISSAC (Gaston). La Leçon de gravure. Baslieux, Chez Jean Vodaine, 1976. In-8, paperback, illustrated cover. Posthumous first edition of this collection of 12 unpublished original lithographs by Gaston Chaissac, which the artist made in 1952, including one repeated in red on the cover and 5 signed in the plate. These are the only engravings ever made by the artist. Edition of 100 copies, this one of 70 copies on Balkis de Lana signed by the publisher.