RATIBOR 31.5.1922 ZKr (OS handbook number 274.18) on postcard with 10 Pfg orange red, 15 Pfg gray violet, 50 Pfg dark gray vertical pair ironworks and dove 1920 to Halle on d. Saale, special feature: date line in the cancel underlined ( = Settings for the impending day partial visible), time typical traces of age and usage