This designer lamp is made of opal and orange glass, has a characteristic mushroom shape and is valued among collectors. The lamp has new wiring us adapter included 1x e14 or e12 bulb good condition 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.