Andreas Hofer, Sans titre, box containing 6 perforated discs, covered with enamel front and back, on aluminium, colour and black/white, with an impressum on cardboard in a tracing paper envelope. With two colour photographs of the installation. 52.5 × 52.5 cm, edition of 20, numbered and marked with a dry stamp « H » at the bottom of the box. Edition of the Centre genevois de gravure contemporaine, Geneva, 1990.