KREUZENORT, 10 Pfg on 20 Pfg blue overprint Type I a provisional issue 1920, 10 Pfg red-orange, 20 Pfg blue, 50 Pfg dark grey Steelworks and Dove of Peace 1920 on registered letter to Ratibor / OS, double-circle KREUZENORT 14 2 21 * * * (OS handbook No. 173.1), rare cancel, arrival (14.2.1921) on reverse, very neat strikes, age and use marks typical of period