Jakob Mattner, ZWIELICHT (Twilight), 1979, Glass, 100 x 30 x 11 cm, Photo: Archive, Jakob Mattner, ZWIELICHT (Twilight), 1978, Glass, wire, 40 x 10 cm, Photo: Archive, Jakob Mattner, Manifest (Nachtgespräch), 1978, Soot on paper, 32 x 37 cm, framed, Photo: Archive, Jakob Mattner, Florenz II from the series 'Die letzten Häuser' (The Very Last Houses), 1977, Wood, soot, glass, 34 x 19 x 41, Photo: Archive, Jakob Mattner, Untitled, 1979, Gouache, pencil, ink on Japanese paper, 52 x 41 cm, framed, Photo: Archive, Jakob Mattner, Totes Licht (detail), 1979 / 2009, Charcoal, Dimensions variable, Photo: Uwe Walter, Jakob Mattner, ZWIELICHT (Twilight), 1978, Glass, paint, 61 x 42 x 7 cm, Photo: Archive, Jakob Mattner, Percussion, 1979, Gouache, pencil, ink on Japanese paper, 52 x 41 cm, framed, Photo: Archive, Jakob Mattner, Totes Licht (Death Light), 1978, Soot, cardboard, glass, 90 x 60 x 12 cm, Photo: Archive, Jakob Mattner, Diamant (Diamond), 1977, Glas, tape, 37 x 10 x 10 cm, Photo: Archive, Jakob Mattner, NACHT-ZWIELICHT-TAG (Night-Twilight-Day), 1978, Glass, lacquer, glue on glass, 37 x 27 x 8 cm, Photo: Archive, Jakob Mattner, Nachtsegment (Nightsegment), 1978, Soot, cardboard, glass, 33 x 27 x 13 cm, Photo: Archive, Jakob Mattner, Zwielicht (Twilight), 1979, Glass, 100 x 65 x 9 cm, Photo: Archive,