2 M. and 40 Pfg. postal stamp being a correctly franked on bilingual R return receipt special delivery form letter ". . . Proportional committee Gliwice city" from Gliwice 3. 3. 21 to Görlitz with arrival postmark, verso scarce bilingual L6 ". . . . Proportional committee. . . Gliwice city. . . District VII, cover once folded