This beautiful ceiling light is still in its original condition and was manufactured by j.t. Kalmar in vienna in the 1960s. It consists of a sheet steel frame that is screwed directly to the ceiling. A large, screwed-on ice glass body forms the square lamp body. The light has four e27 lamp sockets and is in very beautiful vintage condition with patina and minor signs of wear. Standard e27 bulbs can be ordered online. 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.