Hans Hartung (1904-1989) L 1976-27. 1976. Lithograph. 218 x 266. Mason 520. Printed in bluish black. Perfect proof on white vellum folio with autographed text by Margarete Mitscherlich on the 4th plate, numbered and signed in pencil. Full margins. Edition of 200 proofs. Plate published in Erker-Treffen 4, texts and prints by Wolfgang Bächler, Anna-Eva Bergman, Max Bill, E. M. Cioran, Piero Dorazio, Ulrich Erben, Eugen Gomringer, Hans Hartung, Peter Huchel, Eugène Ionesco, Halldór Laxness, Ivo Michiels, Margarete Mitscherlich, Giuseppe Santomaso, Antoni Tàpies, Günther Ueker, Jef Verheyen, Max Weiler and Andrea Zanzotto, St. Gallen, Erker-Presse, 1987.