This pair of high-quality modernist sconces was manufactured by kaiser leuchten in germany during the 1960s. The wall lamps feature a curtain made of murano glass tubes and brass tubes. These tubes are hanging hinged from the metal frame in front of each light source. This creates beautiful direct and indirect light effects with impressive light beams. additional technical information - suitable for 110v up to 250v - requires 1x e27 screw base bulb / each - us: requires e26 bulbs - requires screws and dowels for wall mounting this piece has an attribution mark, i am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution, up to 250v (europe/uk standard).the wiring of this item may be original and might need replacement, if not specified otherwise.