This pendant lamp, 'Quadrifoglio' model, was designed by Gae Aulenti and produced by Harvey Guzzini, in Italy during the 1970's. It is made of methacrylate diffuser with 4 chrome-plated metal curved rods and a chrome reflector below. Any type of light bulb can be used, but white or frosted bulbs are preferred for the E14 bulbs inside the acrylic lampshade. A silver cupped light bulb below to spread the light in the chrome reflector. The lights can work separately if the wiring in the house is provided for this purpose.This lamp is often used  as a prop in films and series since the 70's. It is in original and good vintage condition.