Convolute of 5 sets of the series ''Zufall'', Edition Hahn 1970s, 5 envelopes and a booklet, signed throughout, containnede artists: 1. Barbara Johanna Hahn, Jürgen Hohmann, Franz Mühl, 2. Dieter Reick, drawing and stamp, Robert Rehfeldt, Klischeedruck, Herbert Wimmer, Blueprint collage and text sheet 3.Ulrich Schröder, drawing watercolor, Werner Diefenbach, etching, Ulrich Tillmann, photograph 4. Robert Rehfeldt, printing block, Janos Urban, offset lithograph with colored pencil, Horst Tress, collage 5. Jill Mustchin, photograph offset lithograph / gouache, Teofan Sokerov, drawing. 32 x 23 cm