The plastic sphere is made up of compartments in different sizes, which create a beautiful play of lines, especially when the lamp is on. height: 65 cm. ø: 35 cm. height of sphere: 30 cm. origin: germany, 1960s. the lamp has a large bulb holder (e27). material: plastic. all our lamps are suitable for led lamps. I have official proof of authenticity such as vintage catalogs, designer records, or other literature sources 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.