Netherlands East Indies. (Australia). 1946. Registered Air Mail envelope addressed to 'N.E.I. - PEP, Bandaberg, Queensland' bearing Netherlands 1 1/2c grey, Yvert 333, 7 1/2c red and Yvert 335, 7 1/2c blue tied by Amsterdam date stamp '16th Jan 46' with matching registration label, routed via New Yor '29/1', San Francisco '31/1' with Honolulu 'Feb 3rd' and Brisbane '16th Feb' with circular 'R.A.A.F./ 6303/ Australia receiver '19th Feb' and forwarded to Makasser with arrival '12th Mar' on reverse. Nice item of mail routed over the Atlantic and Pacific.
Proud notes 6303 as being a security number used at the R.A.A.F. Post Offices between 1944 and 1945. Number 6303 at the Bundaberg, Queensland office.