Netherlands East Indies. (India - Indonesian Republic). 1950. India postal stationery envelope 'two annas' carmine cancelled by Calcutta Beach double ring '5th July 50', addressed to Soerabaja, Indonesia, underpaid with horseshoe 'Calcutta Beach/ Due/ As' on face and circular 'T' hand-stamp, endorsed '17c', bearing Indonesian Republic postage due SG J68, 25s on 7 1/2s salmon mixed with United States of Indonesia SG D576, 2 1/2 on 50c yellow (pair) and SG D577, 5s on 100c yellow-green tied by Soerabaja receiver '27th July 50' on face.
Very attractive and scarce combination.
Ex Paul Bulterman's Indonesia postage due collection.