SBZ 15 Pfg. worker with perforations going through margins. Plate upper margin, 25 Pfg., 20 Pfg. and 16 Pfg. always with hand stamp "3 / Berlin 8" being a correctly franked on registered cover from BERLIN-TEMPELHOF 1 6. 7. 48 with arrival postmark, superb, signed Ballschmidt BPP