From AT & SF 4-6-2 Pacific, No. 3403 is this two-sided number board unit, constructed of heavy gauge, formed sheet metal with cutouts on two surfaces, showing stenciled number "3403". The top of the unit has a hinged lid, allowing access to the inside that has four opaque white backing strips backing up the skeleton numbers. There is an electrical socket inside with an old lightbulb and a porcelain junction. There is a power cord protruding from the rear. This unit has not been tested electrically and is being sold as-is. Included with this lot is a photograph of the locomotive and a short history of its provenance. These documents are inside the unit. The unit shows old black paint, heavily rusted and corroded. Condition: (4). Dimensions: 29" x 17 - 3/4" x 10 - 3/4".