Antique lighting sconces are placed on a wall or mantle in various rooms of your home. Antique sconces could be gas, gas & electric, and electric. Although you will find gas keys, all of the gas and gas & electric sconces have been electrified.
Antique gas sconces will have the arms going up to hold the shades, a back plate to attach to the wall, and a gas key on the fixture.
Antique Gas & Electric sconces will have arms going up, arms going down and a back plate to attach to the wall.
Antique electric sconces will mostly have the arms going down with the exception of electric candle sconces. There is also a back plate to attach to the wall.