United States
Scott #650 1928
5c Aeronautics Conference.
Unused hinged.
$2.25 Item #USA0650S41
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United States
Scott #650 1928
5c Aeronautics Conference.
Unused hinged.
$1.70 Item #USA0650S43
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United States
Scott #650 1928
5c Aeronautics Conference.
Used.
$2.45 Item #USA0650S44
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United States
Scott #650 1928
5c Aeronautics Conference.
Used.
$2.45 Item #USA0650S46
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United States
Scott #650 1928
5c Aeronautics Conference.
mint never hinged with natural gum crease.
$2.40 Item #USA0650S47
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United States
Scott #650 1928
5c Aeronautics Conference.
Unused hinged.
$1.70 Item #USA0650S48
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United States
Scott #650 1928
5c Aeronautics Conference.
Mint never hinged.
$5.25 Item #USA0650S50
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United States
Scott #651 1929
2c George Rogers Clark Left Top Plate Red Top 19724 19734 Block of six.
Mint never hinged.
$15.00 Item #USA0651C04
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United States
Scott #651 1929
2c George Rogers Clark 1929 Vincennes, Ind. First Day to Syracuse, N.Y. Uncacheted.
Typewritten Address.
$15.00 Item #USA0651C3
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United States
Scott #651 1929
2c George Rogers Clark 1929 Vincennes, Ind. First Day to Athol, Mass. Uncacheted.
Typewritten Address.
$10.00 Item #USA0651C4
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