GLEIWITZ, 10 Pfg red-orange block of six and vertical pair, 15 Pfg grey-violet two vertical pairs and single, 50 Pfg dark grey (reverse), 2 Mark dark brown (front), Steelworks and Dove of Peace 1920 on letter to San Francisco, CA / USA, double-circle GLEIWITZ 25 2 22 * 1 m (OS handbook No. 089.6), interesting early inflation-period document, very rare cancel and rare destination, age and use marks typical of period