Castore lamp was designed by michele de lucchi for artemide. a spherical-shaped diffuser hand-blown in opaque white glass is enhanced by a removable tapering stem that emits a soft glow. the stem is made of steel with tubing covered in a polycarbonate sleeve. it was designed in 4 different sizes: 14cm, 25cm, 35cm, and 42cm. this lamp has a diameter of 35cm and a total height of 90cm the ceiling rose is in white plastic and is the only non-original part of the suspension. in excellent condition. A small, dark spot on the glass. works with e27 light bulb. 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.