Four Light Pendant by Cyan from the Volterra collection in Aged Brass finish The Volterra collection comprises alternating short, aged brass and tall, framed alabaster glass rectangles that meet around medium base sockets to form a cylindrical shade. Concealed within, the lamps cast a soft glow through a round frosted glass diffuser secured to the light by an aged brass frame. Add mid-century, empire style with the Volterra collection of designer lighting to your next interior design project.