SCHUMACHER, EMIL (1912-1999), "Untitled", aquatint etching / paper, below right signed by hand in pencil, lower left with pencil num. 33/40, HxW: plate approx. 25.5x15 cm, passepartout cutout approx. 29x20 cm, external dimensions frame approx. 53x43 cm. Minim. tanned and curled. Framed behind glass in a passe-partout. Ed. Abstracta Verlag Freiburg, was shown at Documenta II and is shown in the cat. (P. 85); LITERATURE: Albert Schiessel, Emil Schumacher - the early prints from the Abstracta publishing house. Freiburg 1997, no. 10.