New Guinea 1939 Junkers G.31F over Bulolo Goldfields 6d bistre-brown mounted mint SG 219
New Guinea 1939 Junkers G.31F over Bulolo Goldfields 6d bistre-brown mounted mint SG 219
New Guinea 1939 Junkers G.31F over Bulolo Goldfields 6d bistre-brown mounted mint SG 219