This copper Ultra pendant light was designed by Jo Hammerborg for Fog & Mørup in the very early 1960s. The lamp consists of seven rings. Ultra was produced in solid copper and lacquered aluminum. This is the copper version with an orange inner. 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.