Multiple franking the postage due stamp over 2 Din. (corner margin strip of three) on unfree mailed domestic letter from Court in Pancevo to Belgrad with dispatch stamp PANCEVO / 4 from 13.11.42 and arrival postmark from BEOGRAD on the postage due stamps as well with forwarding to Sabac with arrival postmark SABAC / 7 from 18.11.42 on the letter back and with stamp "NEPOZNAT / INCONNU" (unknown) and sending back to Pancevo with Entrance stamp PANCEVO / 4 from 24.11.42 on the letter back. Because the postage due not takes the money become could, are the postage due stamps through blue pencil nullifys and turned back become. The cover is very fine. Certificate Krischke: "covers of this kind are very rare. "