Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Australia - New Guinea - Pioneer Flights - 1933 (May 30- June 3), First Round Flight mixed franking cover Sydney - Rabaul, in addition Guinea Airways Ltd flown cover Wau-Salamaua (30 miles distance), set of King George VI Coronation franking, both are VF, Est. $100-$150, Scott #C36