A valance structure employing interchangeable facades or placards of a predetermined size utilizing a top portion which is mounted on a surface. The top portion possesses a flange and a groove on the flange of a certain depth. A bottom portion is also employed with the top portion. The bottom portion includes a second flange having a groove of a depth which is smaller than the depth of the groove of the top portion first flange. A spacer is employed for positioning the top and bottom portions apart. The floors of the grooves are separated a certain distance to permit interchangeable placards replaced in the top and bottom portion grooves.
