Wall lamps in various sizes, "Sigma" model designed by Sergio Mazza, produced by Artemide. Small dimensions: diameter 26 cm - depth 15 cm Large dimensions: diameter 35 cm - depth 16 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.