Pierre Soulages (b. 191 9) Etching No. 19, 1970Eau-forte and aquatint o n cut plates. Two-tone printing . Proof on vellum, numbered and signed in pencil. Edition of 100 proofs. Dry stamp : Editions Lacourière Paris. Strong exposure of the sheet, more marked on the edges. White rectangle visible by transparency in the subject (caused by irregular oxidation ). 76.5 x 57 cm. Under glass.