Air Mail cover 1931 (Mar.) Hungary flight cover and card, bearing 1927 Air 4f. (5) and Zeppelin 2p., and 1927 Air 12f. and 1931 Zeppelin 1p. respectively, both showing special blue cachet; also another cover bearing 1927 32f. and 1931 Zeppelin pair, and showing special green cachet. Fine. (Sieger 102, 103)