Art Deco table or desk lamps by Daalderop, Giso Holland, 1930s. Nickel-plated lamps are fully adjustable in position; the ball is weighted and sits on a ring This piece is attributed to the mentioned designer/maker. It has no attribution mark and no official proof of authenticity, however it is well documented in design history. I take full responsibility for any authenticity issues arising from misattribution, UK Plug (up to 250V).The wiring of this item may be original and might need replacement, if not specified otherwise.