1960s German Peill & Putzler Artichoke shaped opaline hanging pendant light. The shade hangs from a chrome fitting which screws apart to allow access to the E27 screw in bulb. The light hangs from a black, height adjustable, flex with matching ceiling cup. PAT tested and in full working order.
A larger version is also available - see listing on Retro Living and last 3 images.