Old desk lamp raise and lower vintage

Vintage 1970s "rise and fall" desk lamp made of metal, brass, and opaline. Beautiful light. Note two small cracks on the arm that do not affect its sturdiness. In very good overall condition, this lamp has been completely disassembled and sanded. The arm and base have been patinated in anthracite tone. The electrical system has been completely renewed with black braided fabric wire. Key switch on the bayonet socket (B22 bulb). Height: 53 cm. Shade diameter: 12 cm. Base diameter: 13 cm. Weight: 2.2 kg.