1, 50 Din. Postal stationery postcard with additional franking 4 Din (over margin fixed and defects) and 7 Din. With single circle. \"BEOGRAD 1 / 2. VI. 44\" as about 0, 50 Din. Overfranked airmail registered card with registered cancel to Vienna with OKW-censorship and arrival cancel, card with creases, expertized Dr. Zydek BPP and Novakovic with photo certificate