FLIGHT COVERS, NZ 1920-2000s extensive colln of 850+ flight covers in 9 annotated photo albums. Incls 4-6 Sept 1920 Kaikoura to Christchurch "Per Aerial Post" (with tear damage across top opening), 31 Jan 1921 Christchurch to Timaru & Christchurch to Dunedin via Timaru "Aerial Mail" covers, 380 covers from 1930s (incl 9 Nov 1931 Highfield via Karachi-London Paterson pre FDC with 3d, 4d & 7d airmail stamps, Feb 1932 Paeora Bridge emergency Dunedin-Christchurch signed Wilkes covers x 2 & Oamaru-Christchurch signed Findlay cover, 71 x Xmas 1931, 64 Xmas 1932 mail, 20 x 1934 Kingsford Smith covers & 54 x 30 Oct 1937 set covers), 115 covers from 1940s, 210 covers from 1950s to 1970s, & 130 subsequent covers. Also incl folder with NZ-based NASA Operation Sofia covers (6 diff incl 4 with multiple signatures from 2015-2018 observation flights, probably unique) & 1986 Halley's Comet observation flight covers x 3 (2 signed), along with a range of NASA paraphenalia. Ex Airmail Society member Malcolm Millar.