This small Kalmar pendant comprises a metal frame with 16 oval cast glass diffusers, each measuring 15 by 12 cm, and using E27 bulbs. 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, European Plug (up to 250V).The wiring of this item may be original and might need replacement, if not specified otherwise.