Rare desk lamp model “Ipotenusa 630” by Achille Castiglioni, manufactured by Flos Italy, manufactured around 1970. The lamp has a beautiful long chrome arm where the electricity flows through and that can be removed from the base. The black lacquered base is marked on the bottom, it has a black plastic hood. This lamp is no longer in production and therefore hard to find. In good original condition with minor wear consistent with age and use, preserving a beautiful patina.