the lamp is in working condition. it is quiet a big ball. In reality it looks bigger as on the picutures. small traces of use look to the detailpictures. 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.