Extraordinary chandeliers by napako, czechoslovakia, 1970s, very good original condition. White metal base and resin ball shade ivory color. 1 x 100w, e27 (e25, e26) bulb. Marked with metal label. Us wiring compatible. 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.