The Sintesi lamps were designed by Ernsto Gismondi in 1975 and produced by Artemide in Italy. The lamp features a full metal structure. I have official proof of authenticity such as vintage catalogs, designer records, or other literature sources and take full responsibility for any authenticity issues arising from misattribution, European Plug (up to 250V).The wiring of this item may be original and might need replacement, if not specified otherwise.