GLEIWITZ, 15 Pfg dark carmine-brown block of ten, 20 Pfg blackish violet-blue official July 1920 on letter to Lona-Lany/Upper Silesia, double-circle GLEIWITZ 20 1 22 * 1 m (OS handbook no. 089.16), rare franking and interesting early inflation-period document, upper right corner missing from 15 Pfg block of ten