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 being a 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 available) . Very rare offer! Michel at least 1070,--