648 YUGOSLAVIA - POSTAL HISTORY Auction #1946: WORLDWIDE POSTAL HISTORY, COVERS AND CARDS Cover / Cat.#: VF. 22/AU/1934 BEOGRAD - ZEMUN: Airmail cover to Belgium, very fine quality! Starting Price: US$ 50 Current Price: US$ 50 Bid US$ 50 or more Closing: 2019-11-28 22:05:00