New Guinea . 1932-4, 1/2p orange to £1 gray Air Post overprints,. set of sixteen, most lightly hinged, fresh color, generally well-centered, the odd perf fault, chiefly very fine. (Sc. C28-43, $312). Mint H (Image1)

Est. US$100-150

New Guinea . 1935, £2 violet & £5 green Plane Over Bulolo Gold Field,. set of two, never hinged, scarce as such, pleasing color, well-centered, the £5 particularly so, a couple trivial toned perfs on the £2 noticeable only from reverse, much nicer examples than often seen, lovely and very fine. (Sc. C44-45, $1,100 as hinged; SG 204/5, £1,100 as hinged).. Mint NH (Image1)

Est. US$750-1,000

New Guinea . 1939, 1/2p - £1 Plane Over Bulolo Gold Field,. set of fourteen, used, most with lightly-struck unobtrusive cancels, nicely-centered throughout, a desirable and challenging used set, very fine. (Sc. C46-59, $990; S.G. 212/25, £1,100). Used (Image1)

Est. US$400-500

New Guinea . 1939, 1/2p - £1 Plane Over Bulolo Gold Field,. set of fourteen, hinged, fresh bright colors, well-centered throughout, a nice example of this ever-popular set, very fine. (Sc. C46-59, $720.50; S.G. 212/25, £1,100). Mint H (Image1)

Est. US$200-300

New Guinea . 1939, 1/2p - £1 Plane Over Bulolo Goldfield,. set of fourteen, lightly hinged, the £1 value appears never hinged, a well-centered set, the key 10/- value exceptionally so, fresh and very fine. (Sc. C46-59, $720.50; S.G. 212/25, £1,100). Mint H (Image1)

Est. US$200-300