1936 UNDERPAID MAIL INDIA TO LONDON. Window envelope Travancore to London, on reverse Indian issues ½A x 1 and 1A x 7 cancelled TRAVANCORE 29 MY 36, postage underpaid and on front circular "T" tax mark and UK "11D" charge mark with postage dues 5d and 3d x 2 cancelled LONDON 8 JU 36 cds's. Soiled at left but strikes of the higher charge marks much more difficult to find. (Ref 99315).
