The Wall light Is attributed to Leucos and Roberto Pamio for form and style. Murano green glass handmade. No Mark and label. Base in metal. The vendor guarantee the authenticity of item. 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.