Symfoni lamp in white and dark grey-black painted metal diamonds assembled to an origami style lampshades is designed by Preben Dal (1929-1980) and produced by Hans Følsgaard Elektro. Symfoni lamps were produced in the 1967-1970s in different sizes (diameter from 20 to 68 cm) and different shapes, as pendant or wall lamps. 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.