Adjustable Quick 1500 Swiss Bauhaus Table Lamp by Amba from Alfred Müller, Switzerland, 1935, in Very Good conditions. Designed 1920 to 1949 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.