INTER-ALLIED COMMISSION - SUPPLY DEPARTMENT, 25 Pfg dark brown Steelworks and Dove of Peace 1920 on blank black-and-white postcard, double-circle GLEIWITZ 12 7 21 * 1 f (OS handbook no. 089.9), violet single-circle official seal COMMISSION INTERALLIEE DE GOUVERNEMENT ET DE LA PLEBISCITE DE HAUTE-SILESIE - DEPARTEMENT DU RAVITAILLEMENT (OS handbook no. II.7.a), very neat strikes, good condition