Vintage German Ceiling Lamp with Tinted Curved Glass Panes by Martin Müller & Co, 1980s, in Good conditions. Designed 1980 to 1989 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.