1932-34 Undated Birds: optd 'OS' 1/- and 4d tied by Salamaua cds to 1938 (Jun 4) registered cover to Prime Minister Lyons in Canberra, endorsed Personal, carried aboard first regular New Guinea-Australia flight, Salamaua handstamped registration details, backstamped Salamaua, Sydney Canberra. Scarce stamps on cover. (Image1)

Estimate AU$200