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 U.S. Fleet Post Office 6c DC-4 Skymaster 1951 U.S. Navy, 10864 Br. Commander, U.S. Naval Activities, Great Britain to Philadelphia, Penn.
FP510412 $10.00
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 U.S. Fleet Post Office 6c DC-4 Skymaster 1951 U.S. Navy 17012 U.S. Submarine Base, Pearl Harbor, Hawaii Airmail to Brooklyn, N.Y.
FP510415 $10.00
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 U.S. Fleet Post Office 6c DC-4 Skymaster 1951 U.S. Navy, 10434 Br. Sangley Point, Luzon, Philippines Airmail to Philadelphia, Penn.
FP510416 $10.00
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 U.S. Fleet Post Office 6c DC-4 Skymaster 1951 U.S. Navy 13791 Br., Navy 14 Naval Air Station, Barbers Point, Oahu, Hawaii Airmail to Belleville, Ill. Toning.
FP510423 $10.00
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 U.S. Fleet Post Office 6c DC-4 Skymaster 1951 U.S. Navy 10666 Br., Kwajalein, Marshall Islands Airmail to Philadelphia, Penn.
FP510428 $15.00
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 U.S. Fleet Post Office 6c DC-4 Skymaster 1951 U.S. Navy 10434 Br. Naval Station, Luzon, Philippines Airmail to Athol, Mass.
FP510503 $10.00
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 U.S. Fleet Post Office 6c DC-4 Skymaster 1951 U.S. Navy, 10461 Br. Commander in Chief, Pacific Fleet Pearl Harbor, Hawaii Airmail to Brooklyn, N.Y. Illustrated Envelope '19 May is Armed Forces Day' and 'Defenders of Freedom' showing United Nations emblem. Reduced a bit at top. LEGAL SIZE.
FP510507--LS $10.00
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 U.S. Fleet Post Office 6c DC-4 Skymaster 1951 U.S. Navy 230 Br. U.S. Naval Hospital, San Diego, Calif. Airmail to Albany, N.Y. Small tear at top. MONARCH SIZE.
FP510509A $10.00
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 U.S. Fleet Post Office 6c DC-4 Skymaster 1951 U.S. Navy 13605 Naval Air Station, Agana, Guam Airmail to Northridge, Calif.
FP510513 $10.00
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 U.S. Fleet Post Office 6c DC-4 Skymaster 1951 U.S. Navy, 10018 Naval Air Staion Guantanamo Bay, Cuba Airmail to Albany, N.Y. MONARCH SIZE.
FP510514 $10.00
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 U.S. Fleet Post Office 6c DC-4 Skymaster 1951 U.S. Navy 10864 U.S. Naval Activities, Military Assistance Advisory Group (MAAG), London, England Airmail to Philadelphia, Penn.
FP510528A $10.00
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 U.S. Fleet Post Office 6c DC-4 Skymaster and 30c Roosevelt Prexie (4) 1951 New York, N.Y. 17008 Br. Naval Air Station, Atsugi, Japan Airmail Registered to Sheboygan, Wis. MONARCH SIZE.
FP510605A $20.00
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 U.S. Fleet Post Office 6c DC-4 Skymaster (2) 1951 U.S. Navy 10864 Military Assistance Advisory Group, London, England Double Airmail to Philadelphia, Penn.
FP510610A $10.00
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 U.S. Fleet Post Office 6c DC-4 Skymaster (2) 1951 U.S. Navy 10864 U.S. Naval Activities UK, London, England Double Airmail to Philadelphia, Penn.
FP510616 $10.00
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 U.S. Fleet Post Office 6c DC-4 Skymaster 1951 U.S. Navy 17003 Naval Air Field, Oppama, Japan Airmail to Brooklyn, N.Y.
FP510626 $10.00
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 U.S. Fleet Post Office 6c DC-4 Skymaster 1951 U.S. Navy 10468 U.S. Naval Hospital, Guam Airmail to Albany, N.Y. Opening tear at top left. MONARCH SIZE.
FP510705 $10.00
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 U.S. Fleet Post Office 6c DC-4 Skymaster 1951 New York, N.Y., 13766 Br. Yokohama, Japan Airmail to Albany, N.Y. MONARCH SIZE.
FP510707 $10.00
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 U.S. Fleet Post Office 6c DC-4 Skymaster on 3c Washington Circular Die Envelope 1951 U.S. Navy 17012 Naval Submarine Base, Pearl Harbor, Hawaii Airmail to Philadelphia, Penn. Stain. 3c Overpaid.
FP510719A $10.00
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 U.S. Fleet Post Office 6c DC-4 Skymaster 1951 U.S. Navy, 13796 Br. Norfolk, Va. Commander, Service Force, Atlantic Fleet Airmail to Philadelphia, Penn. MONARCH SIZE.
FP510721A $10.00
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 U.S. Fleet Post Office 6c DC-4 Skymaster 1951 U.S. Navy, 10864 London, England Commander, US Naval Activities, United Kingdom Airmail to Albany, N.Y. MONARCH SIZE.
FP510726 $10.00
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