1960s kaiser lamps, west germany. Timeless modernist design. Very rare! i haven't yet been able to find out who was responsible for the design. Material: steel, acrylic/plexiglas. Original paint in dark gray/anthracite, white. With a high-quality e27 ceramic socket (110-250v, suitable for worldwide use). Dimensions: approx. 26 x 23.5 x 11 cm each. Includes energy-saving 230v warm white led bulbs. For connection to a wall outlet. Therefore, no power cord is included (but one can be added). 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.