Bruno Gatta Black Metal & Opaline Glass Chandelier, manufactured for Stilnovo in 1960s period, Italy. This lamp has three black lacquered metal shades with milk glass opaline glass diffuser shades, which is held by elegant nickel fixture. https://www.1stdibs.com/furniture/lighting/chandeliers-pendant-lights/bruno-gatta-black-metal-opaline-glass-chandelier-light-stilnovo-italy/id-f_22574302/