This table lamp with a glass in the lampshade was designed by Christian Dell and manufactured by Koranda in Vienna in the 1930s. It is made from chromed metal and retains the original lacquer. It requires an E27 bulb. The diameter of the base is 16 cm. I have official proof of authenticity such as vintage catalogs, designer records, or other literature sources 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.