The model 2133 was designed and manufactured by Gino Sarfatti for his own company Arteluce in 1972. Since 1974 this model was producted by Flos after the merge of the 2 Companies. The lamp is composed by a white lacquered metal reflector and a black lacquered metal lamp holder. 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.