Air Mail 1918-50 range of airmail imperforate issues comprising 1918 1K.50f. on 75f. and 4K.50f. on 2K., 1924 Icarus 100K. to 10,000K. in blocks of four, 1931 Zeppelin 1p. and 2p. in pairs and singles, 1927-30 4f. to 5p., 1933 10f. to 5p., 1947 10f. to 5fo., 1950 20f. to 10fo. All mint and mainly fine