KATTOWITZ, 5 Pfg dark opal-green corner block of four with vertical gutter at right, 30 Pfg yellowish orange vertical strip of four and horizontal marginal pair with registration cross, Steelworks and Dove of Peace 1920 on letter to Berlin-Wilmersdorf, double-circle KATTOWITZ 18 6 22 * (OBERSCHL.) h (OS handbook No. 141.29), interesting early inflation-period document, age and use marks typical of period