Black and white lacquered metal, nylon, glasses mod. 2119 ceiling light by Gino Sarfatti for Arteluce. Designed in 1961. Original vintage condition with normal trace of age and use but some slight chips on the corner of the internal hole.
Bibliography: Marco Romanelli & Sandra Saveri, Gino Sarfatti, Opere scelte, 1938-1973, Selected works, Milan, Silvana Editori, 2012, p.475. Full working with EU standard, adaptable on demand for USA standard.