Floor lamp counterbalance, steel tube frame, white lacquered, black counterweight, black metal shade, e27 socket, many adjustment options. 1957 by j. J. M. Hoogervorst for anvia 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.