Silkscreen and watercolour, 81x60,5 cm., signed and "66/90" in pencil, from the portfolio For Joseph Beuys, Munich/ New York, Edition Schellmann/ Galerie Bernd Klüser, 1987, loose as issued in the orig. wr., folio. Dahn, Walter (1954-2024). Joseph Beuys, Walter Dahn, Michael Rutkowsky: Gespräch. Silkscreen, 50,5x71 cm., signed, "86" and "66/90" in pencil, from the portfolio For Joseph Beuys, Munich, New York, Edition Schellmann/ Galerie Bernd Klüser, 1987, loose as issued in the orig. wr., folio. - WITH: Christiansen, H. Schottische Symphonie aus "Celtic". Munich/ New York, Edition Schellman/ Bernd Klüser, 1986, 2nd ed., 2 LPs with booklet (score "Requiem of Art"), signed "66/90", from the portfolio For Joseph Beuys, 1987.