The lamps are executed with E14 Edison screw fit bulbs. It is in working condition. It runs both on 110 / 230 Volt. Good original vintage condition. Wear consistent with use and age. 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.