1926 Scott U522a, 2c Sesquicentennial Exposition 1926 Philadelphia, Pa. Model Post Office to Belleville, Ill. Uncacheted. Typewritten Address. (Inv USAU0522aC1) (Image)

$12.00

1915 Scott U429h, 2c Washington Circular Die Postal Stationery Envelope Folded Inside Out Error LEGAL SIZE. Unused. (Inv USAU429hW1) (Image)

$10.00

1932 Scott U437, 3c Washington Postal Stationery Envelope with Washington D.C., 1932 Local Use. First Day. Uncacheted. Typewritten Address. (Inv USAU437C01) (Image)

$25.00

1946 Scott UC14, C32, 5c Large DC-4 Skymaster on 5c Large DC-4 Skymaster Airmail Envelope Dual Issues 1946 Washington, D.C. First Day of Issue. Fidelity cachet Mellone C32-20. Unaddressed. (Inv USAUC014C01) (Image)

$12.00

1947 Scott UC17, 5c Postage Stamp Centenary Air Envelope 1947 New York Centenary International Philatelic Exhibition Station. First Day Airmail Envelope. Crosby cachet. Unaddressed. (Inv USAUC017C02) (Image)

$15.00

1950 Scott UC18, 6c DC-4 Skymaster Airmail Envelope 1950 Philadelphia, Pa. First Day of Issue American Air Mail Society Convention Station. Fidelity Color-craft cachet. Unaddressed. (Inv USAUC018C01) (Image)

$15.00