70s design wall light, ball type

Very aesthetic design wall light (or ceiling light) of the ball type from the 1970s. No identifiable manufacturer's mark. Beautiful manufacturing quality: matte black lacquered body, opening surrounded by a beautiful brushed aluminum ring, chrome support rod including a ball joint to orient the wall light. Diameter of the ball: 18 cm, of the opening: 13.5 cm. Very good condition, no damage, impact or scratches (see photos), perfect operation. Carefully disassembled from its original installation location. Supplied with the large diameter bulb. Standard screw socket.