Horst Janssen (1929-1995). (Self-portrait).

Drawing in black and coloured chalk on blue paper, 25 x 17 cm., monogrammed and dated '82 and with dedication "le Monsieur Lohman" in black chalk, on the flyleaf of the illustrated exhibition catalogue Horst Janssen Zeichnungen, Graphische Sammlung Albertina Wien 1. April bis 2. Mai 1982 (Munich, Prestel, 1982, 160 p., original cardboard, 4to).