Hohlspiegelobjekt (Energetische Plastik). 1980. Object. 121 squared concave mirrors on plexiglass plate and wood. In object box. Verso signed, dated as well as with stamp "Energetische Plastik". Object box: 71.5 x 71.5 cm (28.1 x 28.1 in). [JS].
PROVENANCE: Galerie Franz Swetec, Düsseldorf (verso with stamp and label). Private collection North Rhine-Westphalia (acquired from previously menrtioned in 1982).