Opaline porcelain brass wall light early 20th century

Circular white opaline wall light with transparent hemmed edge and patinated brass and white porcelain frame. French work at the beginning of the 20th century. Very good overall condition. Note some very discreet manufacturing defects on the white porcelain (see photos and zoom in). Works with a bayonet bulb not supplied. The total height of the wall light is 17 cm and its total width (corresponding to the maximum diameter of the opaline) is 26 cm. The total depth away from the wall when the wall light is attached is 28 cm.