Achille and piergiacomo castiglioni produced by flos, italy, circa 1980. single-light table lamp, model 'ipotenusa', dove gray painted metal base, steel rod arm, adjustable semicircular diffuser in black and white abs. Manufacturer's mark on the base. height 56 cm. This piece has an attribution mark, i am sure that it is completely authentic 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.