Collection of 6 prints for ZET: Dahmen, Grass, Hrdlicka, Schulze, Schumacher and Sonderborg,

Mixed lot of 6 prints for ZET: Dahmen, Grass, Hrdlicka, Schulze, Schumacher and Sonderborg, abstract and figurative compositions by Karl Fred Dahmen, Günther Grass, Alfred Hrdlicka, Bernhard Schulze, Emil Schumacher and K. R. H. Sonderborg, each aquatint etching/handmade paper, each signed in pencil, partly dated 1974, 1972, 1975, each numbered 44/99 in pencil. R. H. Sonderborg, each aquatint etching/handmade paper, each signed by hand in pencil, some dated 1974, 1972, 1975, each numbered 44/99 in pencil, each with dry stamp ZET, HxW: sheet 5x approx. 34x24 cm and 1x 24x34 cm. Each with slight traces of age.