Roberto Matta, Chilean (1911 - 2002) - 10PM from L'Arc Obscur des Heures. Year: 1975, Medium: Etching with Aquatint, signed and numbered in pencil, Edition: 89/125, Image Size: 18.5 x 25.5 inches, Size: 25 x 36 in. (63.5 x 91.44 cm), Frame Size: 28.5 x 36.25 inches, Publisher: L'Amministrazione Provinciale di Viterbo
