BERLIN post - EXP. 8 / 13.7.70) single circle. On accompanying letter for parcels to Marienwerder, on the back franking North German Postal District + Gr. And 2 Gr. On opening torn, on face impressive document (KBHW no. 313 d) 554905; BERLIN post - EXP. 8 / 29.7.67" blue single circle. On stampless expenses - letter the Austrian Embassy to Merseburg, cover age-related defects, nevertheless extremely rare (KBHW no. 313 b = airmail"