CARLO FORCOLINI, A 1980s 'Nestore Terra' floor lamp for Artemide, Italy.
Black lacquered steel, spheric weight. Adjustable height (in the photo 270 cm), height of the stem 190 cm, length of the tiltable and rotable arm circa 165 cm, diameter of the base 37 cm. Manufacturer's mark. Comes with diffuser.
Electrical function not tested. One defected screw. Minor wear.