Pendant lamp by peill & putzler, made in the 1970s. large glass shade made of murano glass, the outer side is colored in shades of gray. organic-looking circular indentations and an asymmetrical rim give the lamp a modern-sculptural character. the luminaire requires 1 x e27 bulb: standard edison screw thread, max 100 watt. the electrical wiring works worldwide: 110v ~ 230v. the hanging height can be adjusted as needed. 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.