Roberto Matta (Chilean, 1911-2002) 12 P.M. (Midi). (Pl. 9 of the album L'Arc obscur des heures, Chiasso, Multiplicata S.A. ed., 1975). Etching and aquatint. 700 x 505. Ferrari 113. Printed in colors. Very nice proof on ivory vellum, with an annotation "EA" and a signature in pencil (not guaranteed). Oxidation of the sheet and light freckles. Short fold broken in the left margin. All margins. Total edition of 125 prints.