Rare ceiling 1920, BAUHAUS, porcelain 5 lights

Very rare piece beginning XXth of Germany. Ceiling light porcelain, black and white, with 5 lights. On the lower part is 4 lights on the corners and a central light to a heightening of a beautiful volume. The scenery of China is composed of delicate black features, typical of the art nouveau style. China has a very beautiful shine, it is in very good condition for the time. There are 4 holes to fix the lamp on the ceiling or wall mounted. No electrified system. Brand inside, unidentified for now, blue star shaped.