Here is a great old general store "Dim-A-Lite Advertisement display sign from the Wirt Company, Philadelphia, PA. This item has exceptional "embossed" art work and lettering. This advertisement piece also has 12 holes in which 12 Dim-A-Lite dimmers were displayed, (screw in). This beautiful deep red 11" x 14" Dim-A-Lite ad display sign is mounted on heavy one eighth inch hard board and on the back side it has two instruction panels to assist the salesman's pitch to the likely customer.