unique c. 1930's american depression era automobile license plate topper representing the city of oak park, il. the single-sided weathered and worn stamped steel sign contains embossed lettering and surrounding border with black enameled finish. the lack of punched holes suggests new old stock. typically this type of automotive license plate sign would contain two sets of holes for mounting above or below the rear license plate. measures 10 x 2 1/4 inches.