Adjustable wall light in opal glass and chrome-plated metal, Italy, ve

Wall sconce with adjustable arm. White opal glass shade, rounded cylindrical shape. Chrome-plated metal frame with a ball joint for adjusting the diffuser's position. Italian production, circa 1970. A representative example of the functional and minimalist design characteristic of Italian lighting fixtures from the second half of the 20th century. Attribution and manufacturer undocumented.