Set of four wall lamps by Quattrifolio. Made from Murano glass shade, solid brass and lacquered metal. Produced in Italy during the 70s. Each sconce mounts a socket for E27 bulb. The lamp is mounted on the wall through the long solid brass bracket, the other small brass bracket is fixed on the wall too through a screw and finally the cup is mounted over the electric box. The reported dimensions refer to the shade plus the main bracket. Full working with EU standard, adaptable on demand for USA standard.