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 U.S. A.P.O.'s 6c Monoplane Air Envelope 1942 American Base Forces, A.P.O. 803 Port of Spain, Trinidad Detachment Medical Department Concession Airmail to New York, N.Y. Army Censor.
AP420503A $10.00
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 U.S. A.P.O.'s 6c Monoplane Air Envelope 1942 U.S. Army Postal Service, A.P.O. 869 Fort Read, Trinidad 120th Signal Radio Inter. Company Concession Airmail to Shamokin, Penn. Army Censor.
AP420707D $10.00
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 U.S. A.P.O.'s 6c Monoplane Air Envelope 1942 U.S. Army Postal Service, A.P.O. 687 Edinburgh Field, Trinidad 99th Coast Artillerry (AA) Concession Airmail to Los Angeles, Calif. Army Censor. Light creases.
AP421104 $15.00
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 U.S. A.P.O.'s 6c Monoplane Air Envelope 1943 U.S. Army A.P.O. 869 Fort Read, Trinidad U.S.E.D. Concession Airmail to Philadelphia, Penn. Base Censor.
AP430814B $10.00
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 U.S. Fleet Post Office 6c Monoplane Air Envelope 1945 U.S. Navy 83rd Naval Construction Battalion Trinidad to Santa Paula, Calif. Naval Censor.
FP430810A $20.00
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 U.S. Fleet Post Office 6c Monoplane Air Envelope 1943 U.S., Navy [117] Port-of-Spain, Trinidad Concession Airmail to Urbana, Ill. U.S. Naval Censor.
FP430930A $10.00
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 U.S. A.P.O.'s 6c Monoplane Air Envelope 1944 U.S. Army, A.P.O. 869 Fort Read, Trinidad Post Engineers Concession Airmail to Washington, D.C. Army Censor.
AP440831H $10.00
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 U.S. A.P.O.'s 6c Monoplane Air Envelope 1944 U.S. Army Postal Service, A.P.O. 695 Waller Field, Trinidad Air Depot Repair Squadron Concession Airmail to Jersey City, N.J. Army Censor. Crease.
AP440910C $10.00
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 U.S. Fleet Post Office 6c Monoplane Air Envelope 1944 U.S. Navy Dispensary, 83rd Naval Construction Battalion Trinidad Concession Airmail to Juneau, Alaska Forwarded to Ketchikan, Alaska. Naval Censor.
FP440308 $15.00
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 U.S. Fleet Post Office 6c Monoplane Air Envelope 1944 U.S. Navy 83rd Naval Construction Battalion Trinidad Concession Airmail to Framingham, Mass. Naval Censor.
FP440420A $20.00
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 U.S. A.P.O.'s 6c Monoplane Air Envelope 1945 U.S. Army A.P.O. 869 Fort Read, Trinidad Office of the Post Chaplain Concession Airmail to New York, N.Y.
AP450716C $10.00
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 U.S. A.P.O.'s 2c Washington Circular Die Envelope Overprinted Air 6c Mail 1945 U.S. Army Postal Service, A.P.O. 803 Port of Spain, Trinidad 803rd Postal Unit Concession Airmail to Jamaica, N.Y. Light creases at left.
AP451216C $20.00
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 U.S. Fleet Post Office 6c Monoplane Air Envelope 1945 U.S. Navy, Navy No. 117 Naval Operating Base, Port-of-Spain, Trinidad Concession Airmail to Yakima, Wash. Naval Censor.
FP450219A $10.00
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 U.S. Fleet Post Office 2c Washington Circular Die Envelope Overprinted Air 6c Mail 1945 U.S. Navy Naval Construction Maintenance Unit 559, Naval Operating Base Trinidad Concession Airmail to Pocatello, Idaho. Naval Censor.
FP450528 $15.00
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 U.S. Fleet Post Office 7c Blue Jet Silhouette Air Envelope 1960 U.S. Navy, 13606 Naval Station, Trinidad Airmail to Syracuse, N.Y.
FP600120 $10.00
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