1958 / 9, from Michel no. 16-31aIIIM, official stamps B, value strip in billet form, besides Michel no 3x official stamp D, confidential offical matter, and covers with label "delivery as plain Postal service shipment! Receiver is no ZKD Participant - taxe precu - ZKD check ZKD 7" as well label "attention! These shipment is a ZKD shipment. The cover is for inspection 4 weeks keep. Ministry of the inner official mail in the DDR between goverment agencies and WEB`s. Berlin W8, Mauerstr. 29-32. Michel 166-Ag 464 / 58-168", value strip not black or notched, in total 53 (7 different) faultless covers, some multiple franking 10 Pf and 20 Pf, 1 BS with multiple franking, as well the scarce cover 27V (Michel 120,--), plate flaw 19IIN and 16M in multiple franking (listing existing) . Very rare offer! Michel at least 1070,--