Luther, Adolf 1912 Krefeld-Uerdingen - 1989 Krefeld Sphärische Hohlspiegelwand. Unique. 1970. 18 slabs from concave mirrors IF, plian mirror, plexiglass, wood, 1000 x 200cm in total. 14 slabs 115 x 115cm each, 4 slabs 78 x 115cm each. The original certificate by Dr. Magdalena Broska, Adolf-Luther-Stiftung Krefeld, is available. Provenance: The artist´s studio Integration in the foyer of the thermal baths Bad Oeynhausen Private collection