Made in czechoslovakia made of lacquered metal, chrome new cabling 1xe27 or e26 bulb re-polished fully functional good original condition us adapter included. This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution, up to 250v (europe/uk standard).the wiring of this item may be original and might need replacement, if not specified otherwise.