This pair of wall sconces consists of 10 Trihedrons, each in Murano crystal, crafted in the Venini style, with a brass and gold-plated metal frame. Four bulbs are required, with an E27 base for Europe or an E26 base for the United States. They operate at 110 or 220 volts. Please note that they have been rewired and UL listed. The mounting plate measures 42 cm high x 18 cm wide. These lamps were produced in the 2000s but have never been used. Additional pairs are available; please inquire about availability. We also sell in odd quantities; contact us for a quote. Additionally, upon request, our glassworks can produce larger quantities to meet your specific needs.