Koa 4.75 Inch Wall Sconce by Troy Lighting Koa Wall Sconce by Troy Lighting - B8625-PBR/SBK Koa walks a fine line between upscale design and usability. The purposeful placement of the matte glass shades give the piece a sculptural feel while providing ample light in many directions. With both patina brass and soft black finishes, Koa works well with a variety of color schemes and décor styles. - Koa 4.75 Inch Wall Sconce by Troy Lighting