DOMBROWKA A. D. Or 6.5.1920 single circle (051.1) on registered postal stationery postcard 10 Pfg red orange issue April 1920, additional franking 2 1/2 Pfg dark gray, 3 Pfg red-brown, 20 Pfg blue postage stamps issue drawing numbers 1920, 10 / 20 Pfg blue provissional issue 1920, 5 Pfg green, 10 Pfg red orange, 15 Pfg dark gray violet, 20 Pfg blue postage stamps issue 1920 to Potsdamn, arrival postmark ZKr POTSDAM 7.6.1920, transport traces