Floor Lamp Type K, Black Cast Metal Base, Steel Tube Frame, Black Lacquered Sheet Metal Shade, Rotary Switch, E27 Socket; The Lamp Has Been Rewired. Christian Dell for Belmag, 1932. 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.