Lamp diabolo 50 years

Lamp / wall lamp diabolo style jacques biny 50's years. Steel foot and diabolo – brass articulated arm. No visible manufacturer brand. Functional – bulb b22 (delivered without bulb) – cord = about 3.80 meters. Scratches here and there: see photographs. Dimensions: height = 500 mm – diffuser diameter = 160 mm - foot diameter = 145 mm.