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 U.S. Fleet Post Office 6c DC-4 Skymaster 1951 U.S. Navy, 13605 Br. Naval Air Station, Agana, Guam Airmail to Philadelphia, Penn. MONARCH SIZE.
FP510221 $10.00
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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 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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