Netherlands West Indies. ( Suriname ). 1944. Registered Air Mail envelop written ( under cover from P.O. Box 237 London ) from the 'Royal Netherlands Navy,Headquarters, (Censor Section), London' addressed to Paramaribo bearing Great Britain SG 475, Is brown ( strip of three ) tied by Field Post Office / 851' double ring' 29 Ju 44' with 'Registered ' FPO D.S. No 851' label with 'Opened by Examiner / P.C.90' censor label, routed via ' Trinidad with 'Registration/ Trinidad transit '12 Jul and 'Geopend Door/ Censuur Suriname' Label tied by circular Censuur' date stamp '14th Jul 44' in violet with boxed 'M' in violet and Paramaribo receiver. A superb item full of character.