The ph5, designed by poulsen henningsen, blends beautifully with designs by eames, knoll, the saarinen tulip chairs, usm, vitra, hay, menu, and many more. 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, up to 250v (europe/uk standard).the wiring of this item may be original and might need replacement, if not specified otherwise.