GLEIWITZ, 10 Pfg orange-red, 40 Pfg green-olive, 5 Mark red-orange Steelworks and Dove of Peace 1920, 4 Mark on 60 Pfg green-olive on insured letter (declared value 3000 Mark) to Berlin, double-circle GLEIWITZ 17 5 22 * 1 b (OS handbook No. 089.4), rare cancel, arrival (13.5.1922) on reverse, age and use marks typical of period