United States. (India). 1941. Air Mail envelope addressed to Calcutta, India bearing 'Dubuque/ Iowa/ US Postage Meter Paid' strip '06', '010' and '020' x 3 with Dubuque/ Iowa date stamp 'Mar 7 1941' adjacent, endorsed 'via Sea Plane' with triangular 'Passed Censor/ A 13' hand-stamp and 'Opened by Censor' tape with boxed '62' (Calcutta) censor on reverse and framed arrival 1srt April. Very nice item