Very nice ceiling lamp. Red metal ring and comes with a Opaline glass shade . Typical Dutch design . Manufactured by Philips. Design by Louis Kalff 1960s One Large E27 bulb. 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, European Plug (up to 250V).The wiring of this item may be original and might need replacement, if not specified otherwise.