Bergboms Ceiling Lamp, Sheet Metal, Glass (Sweden, 1960s/ 1970s). Inner glass shade. This lamp has a sophisticated ceiling fixture with a perforated metal exterior and a soft glass interior bowl for balanced illumination. 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.