This brass polished bell-form pendant in the style of Paavo Tynell was made by J.T. Kalmar in the early 1950s, and is fitted with one E27 socket. The diffuser itself measures 16 cm by 21 cm. 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.