Netherlands East Indies. (Bermuda - Red Cross). 1941. Netherlands Indies Red Cross Air Mail envelope addressed to "Au Bureau International De La Croix Rouge/ Palais du Conseil General, Geneve, (Suisse) bearing Netherlands Indies SG 401, 5c blue and SG 407, 30c indigo tied by Medan date stamp '1st April 41' with 'Door Censuur Geopend' label tied by circular 'Het Nederlandsch Indische/ Roode Kruis' in carmine on face and reverse, routed over two Oceans with 'Opened by Examiner/ 4284' censor label (applied in Bermuda).
Very nice routing via Bermuda (11th Nov 40 to 1st April 41). Ex Paul Bulterman and illustrated on page 233 of his book Nederlands-Indie in Oorlog.