Air Mail cover 1936-38 range of first flight XU5 or cards (34) including 1936 (5 Mar.) R.A.F. Hong Kong-China-Japan goodwill flight, 1936 (27 Mar.) to Penang, (5 Nov.) to Canton and return flight, and to Shanghai, 1937 (April) F.A.M. 14 flights (14, various frankings and destinations), 1937 (June) Eurasia flights (10), 1937 (Dec.) Kweiyang to Hong Kong (2), 1938 (June) Eurasia flights (2); majority fine.