1954/65 (approx.), interesting collection incl. some trailing covers with emphasis on official stamps "Vertrauliche Dienstmarken" and "Mit Zustellungsurkunden") with several hundred letters, including Mi.-Nr. VD2 on 37 covers in various sizes and cancellations, 2x VD2I on covers, 2x VD2II on covers and over 60 letters with Mi.-Nr. ZU1, together in 13 folders.
