The lamps are part of the "aggregate" lamp system designed by Enzo Mari for Artemide in 1974. The system featured a series of joints and elements that, when combined in different ways, created different types of lamps. These two models are wall-mounted arm lamps. 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.