Branded Bibliography G. Gramigna, Repertory of Italian Design 1950-2000 for Home Furnishings, Allemandi, Turin 2003, vol. 1, p. 207 This piece has an attribution mark, I am sure that it is completely authentic 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.