MYSLOWITZ 19.5.1920 ZKr (221.3) on registered letter with 10 Pfg blue two single stamps postage stamps issue drawing numbers 1920, 10 / 20 Pfg blue horizontal strip of four with vertical gutter provissional issue 1920, 20 Pfg blue horizontal pair postage stamps issue 1920 to Berlin, arrival postmark ZKr BERLIN . Transport traces