RADZIONKAU 18.1.1921 ZKr (OS handbook number 273.1) on postal stationery postcard 10 Pfg orange red ironworks and dove, additional franking 5 Pfg opal green, 15 Pfg gray violet ironworks and dove to Beuthen / OS, very rare cancel (in the OS handbook without illustration catalogued), time typical traces of age and usage