Literatrur: "Neues Wohnen" Viennese interior design 1918-1938, Österr. Museum für angewandte Kunst, exhibition catalog, 8.5. - 24.8. 1980 1 Frame E 27, original condition, shade reupholstered 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.