KATTOWITZ, 15 Pfg grey-violet Steelworks and Dove 1920 on letter with advertising imprint (Berg- und Hüttenmännische Rundschau / Verlag Von Gebrüder Böhm, Kattowitz) to Augsburg, double-circle KATTOWITZ 21 4 22 * (OBERSCHL.) f (OS handbook No. 141.12), interesting early inflation-period document, age and use marks typical of period