Steel lamp designed by charlotte perriand circa 1950. Jumo gs1 model. Good vintage condition. These can be rewired to usa and eu or uk standards. 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, european plug (up to 250v).the wiring of this item may be original and might need replacement, if not specified otherwise.