This desk lamp was designed by Sigfried Giedion and manufactured in Switzerland by BAG Turgi between 1930 and 1950. The lampshade is made of sheet metal with two decorative grooves and lacquered white. There is one bulb casing. The stem is made of two nickel plated metal rods. The base is made of cast iron with a sheet metal cover lacquered white. 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, UK Plug (up to 250V).The wiring of this item may be original and might need replacement, if not specified otherwise.