Memphis design chandelier from the 80s

Superb and rare up/down chandelier from the 70s/80s in the memphis style composed of a dome in black lacquered metal on the outside and off-white on the inside with a weight system (chromed abs plastic balls) to adjust the desired height, very good general condition (some traces of time), for large screw bulb dome diameter: 47.5cm fixing base diameter: 24.5cm height: from 60 to 90cm fast and careful shipping.