Made in czechoslovakia. Made of glass, brass, metal, plastic. Measures: 5 x 60 w, e27 or e26 socket. Re-polished with aged patina. Fully functional. Original condition. At the photo shoot, 20, 40, 60w were given to split the shade of light. 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.