United States
Scott #C21 1937
20c Clipper.
Unused lightly hinged.
$5.00 Item #USAC021S52
add to cart

United States
Scott #C21 1937
20c Clipper.
Unused lightly hinged.
$3.00 Item #USAC021S6
add to cart

United States
Scott #C21 1937
20c Clipper.
Mint never hinged.
$8.25 Item #USAC021S8
add to cart

United States
Scott #C22 1937
50c Clipper.
Mint never hinged.
$7.50 Item #USAC022S01
add to cart

United States
Scott #C22 1937
50c Clipper.
Mint never hinged.
$8.30 Item #USAC022S06
add to cart

United States
Scott #C22 1937
50c Clipper.
Mint never hinged.
$8.30 Item #USAC022S08
add to cart

United States
Scott #C22 1937
50c Clipper.
Used.
$2.75 Item #USAC022S10
add to cart

United States
Scott #C22 1928
50c Clipper Airmail.
Mint never hinged.
$7.50 Item #USAC022S18
add to cart

United States
Scott #C22 1937
50c Clipper.
Mint never hinged.
$7.00 Item #USAC022S21
add to cart

United States
Scott #C22 1937
50c Clipper.
Mint never hinged.
$7.50 Item #USAC022S22
add to cart

United States
Scott #C22 1937
50c Clipper.
Used.
$3.75 Item #USAC022S26
add to cart

United States
Scott #C22 1937
50c Clipper.
Mint never hinged.
$7.50 Item #USAC022S27
add to cart

United States
Scott #C22 1937
50c Clipper.
Mint never hinged.
$7.50 Item #USAC022S29
add to cart

United States
Scott #C22 1937
50c Clipper.
Used.
$3.75 Item #USAC022S32
add to cart

United States
Scott #C22 1937
50c Clipper.
Unused lightly hinged.
$3.00 Item #USAC022S33
add to cart

United States
Scott #C22 1937
50c Clipper.
Mint never hinged.
$7.50 Item #USAC022S36
add to cart

United States
Scott #C22 1937
50c Clipper.
Unused lightly hinged.
$4.00 Item #USAC022S38
add to cart

United States
Scott #C22 1937
50c Clipper.
Used.
$3.75 Item #USAC022S39
add to cart

United States
Scott #C22 1937
50c Clipper Plate 21625 Block of six.
Mint never hinged.
$75.00 Item #USAC022S40
add to cart

United States
Scott #C22 1937
50c Clipper Top Plate F 21628 Block of six.
Mint never hinged.
$75.00 Item #USAC022S41
add to cart

United States
Scott #C22 1937
50c Clipper.
Unused lightly hinged.
$3.50 Item #USAC022S42
add to cart

United States
Scott #C22 1937
50c Clipper.
Used.
$3.75 Item #USAC022S45
add to cart

United States
Scott #C22 1937
50c Clipper.
Used.
$3.75 Item #USAC022S46
add to cart

United States
Scott #C22 1937
50c Clipper.
Used.
$3.75 Item #USAC022S47
add to cart

United States
Scott #C22 1937
50c Clipper.
Used.
$1.95 Item #USAC022S48
add to cart

United States
Scott #C22 1937
50c Clipper.
Used.
$2.80 Item #USAC022S49
add to cart

United States
Scott #C22 1937
50c Clipper.
Used.
$3.50 Item #USAC022S5
add to cart

United States
Scott #C22 1937
50c Clipper.
Used.
$3.75 Item #USAC022S50
add to cart

United States
Scott #C22 1937
50c Clipper.
Unused lightly hinged.
$4.00 Item #USAC022S51
add to cart

United States
Scott #C22 1937
50c Clipper.
Mint never hinged.
$7.50 Item #USAC022S52
add to cart

United States
Scott #C22 1937
50c Clipper.
Mint never hinged.
$7.50 Item #USAC022S53
add to cart

United States
Scott #C22 1937
50c Clipper.
Mint never hinged.
$7.50 Item #USAC022S55
add to cart

United States
Scott #C22 1937
50c Clipper.
Mint never hinged.
$7.50 Item #USAC022S57
add to cart

United States
Scott #C22 1937
50c Clipper.
Used.
$3.75 Item #USAC022S6
add to cart

United States
Scott #C22 1937
50c Clipper.
Used.
$3.75 Item #USAC022S8
add to cart

United States
Scott #C23 1938
6c Bi-color Eagle Air Issue 1938 Saint Petersonburg, Fla. American Air Mail Society Convention Station. First Day Airmail to New York, N.Y. Washington Stamp Exchange cachet Planty C23-15B.
Typewritten Address.
$9.00 Item #USAC023C04
add to cart

United States
Scott #C23 1938
6c Bi-color Eagle Air Issue 1938 Dayton, Ohio First Day of Issue to Inidanapolis, Ind. Ioor cachet Planty C23-1A.
Typewritten Address with small edge tear at right.
$9.00 Item #USAC023C09
add to cart

United States
Scott #C23 1938
6c Bi-color Eagle Air Issue Block 1938 Saint Petersburg, Fla. Amer. Air Mail Society Conv. Sta. First Day to Norfolk, Virginia. House of Farnam cachet Planty C23-22.
Typewritten Address.
$20.00 Item #USAC023C38
add to cart

United States
Scott #C24 1939
30c Winged Globe.
Mint never hinged.
$7.00 Item #USAC024S33
add to cart

United States
Scott #C25 1941
6c Transport 1941 Washington, D.C. First Day of Issue Airmail to Hartford, Conn. Art Craft cachet Mellone C25-2.
Typewritten Address.
$5.00 Item #USAC025C02
add to cart

United States
Scott #C25 1941
6c Transport 1941 Washington, D.C. First Day of Issue Airmail to Norwood, Pa. House of Farnum cachet Mellone C25-11.
Typewritten Address.
$5.00 Item #USAC025C03
add to cart

United States
Scott #C25 1941
6c Transport 1941 Washington, D.C. First Day of Issue Airmail to Sac City, Iowa. Artcraft cachet Mellone #2.
Typewritten Address with small crease at bottom left.
$5.00 Item #USAC025C05
add to cart

United States
Scott #C25 1941
6c Transport Block 1941 Washington, D.C. First Day of Issue Airmail to Des Moines, Iowa. Artcraft cachet Mellone #2.
Typewritten Address with small crease at bottom left.
$5.50 Item #USAC025C06
add to cart

United States
Scott #C25 1941
6c Transport Airmial 1941 Washington, D.C. First Day of Issue to Kansas City, Mo. Ioor cachet Mellone #15.
Ink address.
$5.00 Item #USAC025C07
add to cart

United States
Scott #C25 1941
6c Transport Airmail 1941 Washington, D.C. First Day of Issue to Narbeth, Pa. Artcraft cachet Mellone #2.
Typewritten Address.
$5.00 Item #USAC025C08
add to cart

United States
Scott #C25-31 1941
6c, 8c, 10c, 15c, 20, 30 and 50c Twin-Motored Transport Plane Panes of 50.
Mint never hinged with two small corners missing.
$450.00 Item #USAC025L01
add to cart

United States
Scott #C26 1941
8c Transport Airmail 1941 Washington, D.C. First Day of Issue to Arlington, Va. House of Farnam cachet Mellone C26-11.
Typewritten Address.
$5.00 Item #USAC026C06
add to cart

United States
Scott #C26 1941
8c Transport Airmail 1941 Washington, D.C. First Day of Issue Airmail Envelope to Kansas City, Mo. Unlisted Pent Arts cachet.
Typewritten Address.
$15.00 Item #USAC026C07
add to cart

United States
Scott #C27 1941
10c Transport 1941 Atlantic City American Air Mail Society Convention Station Airmail to Madison, Wisc. Staehle cachet Mellone C27-28.
Typewritten Address.
$30.00 Item #USAC027C01
add to cart

United States
Scott #C27 1941
10c Transport 1941 Atlantic City American Air Mail Society Convention Station Airmail to Springfield, Mass. Staehle cachet Mellone C27-28.
Ink address.
$30.00 Item #USAC027C02
add to cart

United States
Scott #C27 1941
10c Transport 1941 Atlantic City American Air Mail Society Convention Station to Butler, Penn. Airmail Envelope. Grimsland cachet Mellone C27-14.
Typewritten Address.
$7.00 Item #USAC027C07
add to cart

United States
Scott #C27 1941
10c Transport 1941 Atlantic City American Air Mail Society Convention Station Airmail to Norwood, Penn. Fidelity Stamp Co. cachet Mellone C25-12 unlisted for C27.
Typewritten Address.
$5.00 Item #USAC027C08
add to cart

United States
Scott #C27 1941
10c Transport 1941 Atlantic City American Air Mail Society Convention Station Airmail to Chicago, Ill. Unlisted Cachet Craft cachet.
Typewritten Address with small tear and crease at bottom right.
$10.00 Item #USAC027C09
add to cart

United States
Scott #C27 1941
10c Transport Airmail 1941 Atlantic City, N.J. American Air Mail Society Convention Station to Jackson Heights, N.Y. First Day. House of Farnam cachet Mellone #12.
Typewritten Address.
$5.00 Item #USAC027C16
add to cart

United States
Scott #C27 1941
10c Transport Airmail 1941 Atlantic City, N.J. American Air Mail Society Convention Station. First Day to Boston, Mass. House of Farnam cachet Mellone #12.
Pencil address.
$5.00 Item #USAC027C17
add to cart

United States
Scott #C27 1941
10c Transport Plate 22757 Block Upper Left.
Mint never hinged.
$4.50 Item #USAC027S07
add to cart

United States
Scott #C27 1941
10c Transport.
Mint never hinged.
$1.00 Item #USAC027S08
add to cart

United States
Scott #C27 1941
10c Transport.
Mint never hinged.
$1.00 Item #USAC027S09
add to cart

United States
Scott #C27 1941
10c Transport.
Mint never hinged.
$1.00 Item #USAC027S10
add to cart

United States
Scott #C27 1941
10c Transport.
Mint never hinged.
$1.00 Item #USAC027S11
add to cart

United States
Scott #C27 1941
10c Transport.
Mint never hinged.
$1.00 Item #USAC027S12
add to cart

United States
Scott #C28 1941
15c Transport 1941 Baltimore American Philatelic Society Convention Station Airmail to Norwood, Pa. Fidelity Stamp Co. cachet Mellone C29-12 unlisted for C28.
Typewritten Address with crease.
$12.50 Item #USAC028C04
add to cart

United States
Scott #C28 1941
15c Transport Airmail 1941 Baltimore, Md. American Philatelic Society Convention Station to Angola, Indiana. First Day. Unknown cachet Mellone #31.
Typewritten Address.
$7.00 Item #USAC028C05
add to cart

United States
Scott #C28 1941
15c Transport 1941 Baltimore, Md. American Philatelic Society Convention Station. First Day Airmail to Waterville, Ohio. Unlisted Ioor cachet. See Mellone C29-12.
Typewritten Address.
$5.00 Item #USAC028C06
add to cart

United States
Scott #C28 1941
15c Transport 1941 Balitmore, Md. American Philatelic Society Convention Station Airmail to Sac City, Iowa. First Day. Artcraft cachet Mellone #3.
Typewritten Address.
$5.50 Item #USAC028C07
add to cart

United States
Scott #C28 1941
15c Transport Airmail 1941 Philadelphia, Pa. American Philatelic SocietyConvention Sta. First Day to Berwyn, Ill. Cachet Craft cachet Mellone #9.
Typewritten Address.
$5.00 Item #USAC028C08
add to cart

United States
Scott #C28 1941
15c Transport.
Mint never hinged.
$1.60 Item #USAC028S02
add to cart

United States
Scott #C28 1941
15c Transport Plate 22765s Block Lower Right.
Mint never hinged.
$7.50 Item #USAC028S03
add to cart

United States
Scott #C28 1941
15c Transport well centered.
Mint never hinged.
$4.90 Item #USAC028S08
add to cart

United States
Scott #C28 1941
15c Transport well centered.
Mint never hinged.
$2.50 Item #USAC028S09
add to cart

United States
Scott #C28 1941
15c Transport.
Mint never hinged.
$1.60 Item #USAC028S10
add to cart

United States
Scott #C28 1941
15c Transport well centered.
Mint never hinged.
$5.00 Item #USAC028S13
add to cart

United States
Scott #C28 1941
15c Transport.
Unused hinged.
$1.00 Item #USAC028S15
add to cart

United States
Scott #C28 1941
15c Transport.
Mint never hinged.
$1.60 Item #USAC028S16
add to cart

United States
Scott #C28 1941
15c Transport well centered.
Mint never hinged.
$2.50 Item #USAC028S17
add to cart

United States
Scott #C28 1941
15c Transport.
Mint never hinged.
$1.60 Item #USAC028S18
add to cart

United States
Scott #C28 1941
15c Transport Block.
Mint never hinged.
$6.30 Item #USAC028S19
add to cart

United States
Scott #C28 1941
15c Transport with Plate 22765.
Mint never hinged.
$1.70 Item #USAC028S20
add to cart

United States
Scott #C28 1941
15c Transport.
Mint never hinged.
$1.60 Item #USAC028S21
add to cart

United States
Scott #C28 1941
15c Transport Plate 22765 Block Lower Left.
Mint never hinged.
$7.50 Item #USAC028S22
add to cart

United States
Scott #C29 1941
20c Transport 1941 Philadelphia Society of Philatelic Americans Convention Sta. Airmail to Norwood, Pa. House of Farnam cachet Mellone C29-9.
Typewritten Address.
$7.50 Item #USAC029C01
add to cart

United States
Scott #C29 1941
20c Transport 1941 Atlantic City Society of Philatelic Americans Convention Sta. Airmail to Chicago, Ill. Cachet Craft cachet Mellone C25a-8 unlisted for C29.
Typewritten Address.
$25.00 Item #USAC029C03
add to cart

United States
Scott #C29 1941
20c Transport 1941 Philadelphia Society of Philatelic Americans Convention Sta. Airmail to Mt. Carrol, Ill. Ioor cachet Mellone C30-14 unlisted for C29.
Typewritten Address.
$7.50 Item #USAC029C07
add to cart

United States
Scott #C29 1941
20c Transport Airmail 1941 Philadelphia, Pa. Society of Philatelic Americans Convention Sta. First Day to Sacramento, Calif. Ioor cachet Mellone C29-15.
Typewritten Address.
$5.00 Item #USAC029C09
add to cart

United States
Scott #C29 1941
20c Transport Airmail 1941 Philadelphia, Pa. Society of Philatelic Americans Convention Sta. First Day to Spring Grove, Pa. Anderson cachet Mellone C29-1.
Typewritten Address.
$7.00 Item #USAC029C11
add to cart

United States
Scott #C29 1941
20c Transport Airmail 1941 Philadelphia, Pa. Society of Philatelic Americans Convention Sta. First Day to Berwyn, Ill. Cachet Craft cachet Mellone #C28-9.
Typewritten Address.
$5.00 Item #USAC029C12
add to cart

United States
Scott #C29 1941
20c Transport Plate 22760 Block Lower Left.
Mint never hinged.
$7.50 Item #USAC029S04
add to cart

United States
Scott #C29 1941
20c Transport Plate 22760 Block Upper Left.
Mint never hinged.
$7.50 Item #USAC029S06
add to cart

United States
Scott #C29 1941
20c Transport Plate 22760 Block Lower Left.
Mint never hinged.
$7.50 Item #USAC029S07
add to cart

United States
Scott #C29 1941
20c Transport Plate 22761 Block Lower Right.
Mint never hinged.
$7.50 Item #USAC029S08
add to cart

United States
Scott #C29 1941
20c Transport.
Mint never hinged.
$1.60 Item #USAC029S09
add to cart

United States
Scott #C29 1941
20c Transport.
Mint never hinged.
$1.60 Item #USAC029S12
add to cart

United States
Scott #C29 1941
20c Transport well centered.
Mint never hinged.
$3.50 Item #USAC029S16
add to cart

United States
Scott #C29 1941
20c Transport Plate 22760 Block.
Mint never hinged.
$7.50 Item #USAC029S17
add to cart

United States
Scott #C29 1941
20c Transport.
Unused hinged.
$1.00 Item #USAC029S18
add to cart

United States
Scott #C29 1941
20c Transport well centered.
Mint never hinged.
$2.50 Item #USAC029S19
add to cart

United States
Scott #C29 1941
20c Transport.
Mint never hinged.
$1.60 Item #USAC029S20
add to cart

United States
Scott #C29 1941
20c Transport.
Mint never hinged.
$1.60 Item #USAC029S21
add to cart

United States
Scott #C29 1941
20c Transport.
Mint never hinged.
$1.60 Item #USAC029S23
add to cart

United States
Scott #C30 1941
30c Transport 1941 Kansas City Trans Mississippi Philatelic Society Convention Sta. Airmail to Norwood, Pa. House of Farnam cachet Mellone C30-12.
Typewritten Address.
$7.50 Item #USAC030C02
add to cart