Fantastic, large Murano glass lamp, from Kalmar Franken KG, 1970s, Austria. Thick and very heavy and high quality workmanship. Its wonderful design makes this pendant the perfect eyecather for every room. It provides a nice reflection and very cozy light. 1xE27/E26 bullbs 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.