10 Pfg red-orange Steelworks and Dove 1920 postal stationery card, additional 40 Pfg green-olive, 75 Pfg dark green Steelworks and Dove 1920, to Hannover, double-circle LENTZBERG (Kr. RYBNIK) 1 5 22 (OS handbook no. 186.1), rare cancellation, interesting early inflation-period document, age and use wear typical of period