20cm vintage opaline ceiling

Applying /vintage plaster in beautiful white opaline, 20cm in diameter. The back support is made of metal (rust trace) and requires a bayonet bulb.electricity tested, . Caps/opaline appliques of upper and lower diameter are also available in my shop. I try to describe in all the best and honesty the peculiarities (negative or positive) of this object, however do not hesitate to contact me if you wish for further clarification or photos that I could have oised; I would be happy to respond as soon as possible. Ref 152/20.