KATTOWITZ, 5 Pfg dark opal-green block of nine with bottom margin and vertical pair with top margin and gutters at right on reverse, 15 Pfg grey-violet block of four, horizontal pair and single on front, Steelworks and Dove of Peace 1920 on registered letter to Millessimo / Italy (not from member of Italian troop contingent in OS), double-circle KATTOWITZ 12 10 20 * (OBERSCHL) r (OS handbook No. 141.39), arrival (18.10.1920) on reverse, unusual mass frankings, age and use marks typical of period