JACOBSWALDE, postal stationery card 15 Pfg grey-violet Steelworks and Dove of Peace 1920 with added 50 Pfg dark grey, 60 Pfg Prussian blue Steelworks and Dove of Peace 1920, locally used postcard, single-circle JACOBSWALDE (OS handbook No. 129.1), interesting early inflation-period document, age and use marks typical of period