Belgian Congo 1941 Incoming Airmail US via South Africa
Incoming Airmail envelope bearing United States Scott900, 2c red and Scott901, 3c violet(4) tied by New York duplex with instrauctional 'Postage Due 30cents/Returned for Additional Postage' in violet, routed via South Africa with censor label applied in transit and Congo Belge censor label with Elisabethville arrival on reverse. Fine. (pt)    ID: 34360