This pendant was designed by Poul Henningsen and produced by Louis Poulsen from 1966 until it was discontinued in this color in the late 1970s to early 1980s. It is made of powder-coated aluminum and is lit both downwards and from the sides. The PH 4/3 model is based on the principle of a reflecting multi-shade system, creating a glare-free illumination. The lamp is in very good/ perfect condition with minimal traces of use. The wiring has been replaced. The lamp is fully operational. It has been tested and is in working order. 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, Up to 250V (Europe/UK Standard).The wiring of this item may be original and might need replacement, if not specified otherwise.