Suspension lamp mod. "Kappa" by Sergio Mazza for Artemide, 1960. Made of matt nickel-plated brass, satin opal glass, and molded glass. Where consistent with age and use. Literature: Domus 366 (May 1960), p. 46 Domus 413 (April 1964), Domus 425 (April 1965), advertising Catalogo Artemide 1973, p. 79 Giuliana Gramigna, Repertorio 1950-2000, Allemandi, Turin, 2003, p. 84. 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, Up to 250V (Europe/UK Standard).The wiring of this item may be original and might need replacement, if not specified otherwise.