60 Pfg black overprint in mixed franking with Soviet Zone 5 and 8 Pfg machines overprint and 12+3 Pfg Day of the Postage Stamp, correctly franked registered letter from "BERLIN-LICHTERFELDE 3 30.10.48" to Ludwigshafen addressed with official adhesive label "post office 11 Berlin SW / return to sender / no opportunity for promotion", minimal age traces, time historical interesting and decorative document