Raoul Ubac. Series of 4 engravings for the book "L'herbe déracinée" by Bruno de Montalivet. Signed, numbered 39/40. 25x18 cm

Raoul Ubac. Print on slate "Pierres écrites 1958". Signed, unframed. 38x30 cm

Raoul Ubac. Engraving "Comme un sol plus obscur". Numbered 20/20, unframed. 39x30 cm

Raoul Ubac. Epreuve d'artiste "Lisière du devenir". Datée 1963, non encadrée. 31x23 cm

Raoul Ubac. Engraving on Auvergne "Lisière du devenir". Numbered 12/12, dated 1963, unframed. 31x23 cm

Raoul Ubac. Etching "Lisière du devenir". Numbered 12/12, dated 1963, unframed. 31x23 cm

Raoul Ubac. Etching "Lisière du devenir". Numbered 1/12, dated 1963, unframed. 31x23 cm

Raoul Ubac. Etching "Lisière du devenir". Numbered 12/12, dated 1963, unframed. 31 x23 cm

Raoul Ubac. Lithograph in colours "Arbres et pierres I". Dated 1955, numbered 72/150. 38x56 cm

Raoul Ubac - Roger Caillois. Illustrated book "Pierres réfléchies". Paris, Maeght, 1975. Edition at 200 copies on Arches vellum. Copy 68 signed by the author and the artist and comprising 14 etchings. Wrapped in cloth. 50x48 cm