Very old Weimar Republic period metal plaque to signalize a postal service bus stop. Plaque is high quality iron plaque with yellow and black enamel, with Weimar Republic eagle and legend "Kraftpost Haltestelle". It has 4 holes on the corners to screw it to a wall. It has some damage to the edges with some oxidation and some damage to the enamel but overall condition is good. On the reverse there's a maker mark also Union Werke and date 1933.