Clamp lamp designed by eric kirkman cole and his company ekco ltd. In great britain in the 1930s and distributed by the czech company elektrosvit. Lampshade made of bakelite/molded plastic, chrome-plated gooseneck, aluminum table clamp for tabletops up to 45mm thick, e27 socket for up to 40 watts, 230 volts, new long 200cm cable. Type designation 11621 on the shade, company logo ekc on the inside of the lampshade. 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.