Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Australia - New Guinea - 1935, Airplane over Bulolo Goldfields, £2 violet and £5 green, full OG, NH (No.C44) or trace of hinge, F/VF, C.v. $1,100, SG #204/05, £1,100 as hinged, Scott #C44-45