This "Giogali" lamp was designed by Angelo Mangiarotti and was produced by Seguso in the 1960s. It is made from murano art glass and is in excellent vintage condition. 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, Up to 250V (Europe/UK Standard).The wiring of this item may be original and might need replacement, if not specified otherwise.