Rhodesia. (Chile). 1943. Air Mail envelope addressed to Nkana, Northern Rhodesia bearing Chile Yvert 32a, 20c blue (2), Yvert 39, 2p ultramarine and Yvert 42, 5p red tied by Santiago/Chile double ring, endorsed 'via Panagra', routed via Panama and Miami with Miami 'Sept 18' transit and Miami 'Examined By/4744' label with hand-stamp instructional 'By Air Mail Over U.S./ Domestic Routes Only' and boxed Northern Rhodesia 'Crown/Passed/O/3' censor hand-stamp in blue applied on arrival.
Lovely item sent by Pan-American Grace Airways via Panama and Miami then carried over the Atlantic.