Berlin-Charlottenburg 7.76 Pfg local registered cover with postage correct tenfold mixed postage, joint issue Michel no. 924.945.947, and 967, SBZ 15 and 24 Pfg hand stamp overprint "3 Berlin", American/British Zone 8 Pfg ribbon overprint and 20 Pfg net pattern overprint, with posting stamp "Berlin-Charlottenburg 7k 28. 6. 48 13" to Berlin W15 (arrival cancel)