USA 1838 prestamp cover charged "10" from New Bedford Massachusetts to Providence Rhode Island (Image)

USA 1851 stampless cover w/ circular "PAID" cachet from Wooster Ohio to Oneida County NY with originalletter (Image)

USA early Washington 3cx5 Imperf on 5 covers to various domestic destinations (Image)

USA 1936 11v airmail rare cover from New York by sea via GB to Melbourne Australia (Image)

USA 1971 DSRC Nekton Submarine Pilot signed cover w/ "GENERAL OCEANOGRAPHIC INC." cachet from Newport Beach California (Image)

USA 1859 Washington 3c on cover w/ contents from Campeche Mexico via New Orleans to New York w/ Forwarding Agent's seal (Image)

USA 1903 1c+ 2c pair on well-travelled redirected Officially Sealed cover to England (Image)

USA 1938 6c pair w/ plate on National Airmail Week, Standish Michigan cover (Image)

USA 1947 100th Anniversary Postage Stamps 2v Imperf MS+ 10c on Regd cover from New York to Vatican w/ "RETOUR A L'ENVOYEUR" cachet (Image)

USA 1947 100th Anniversary Postage Stamps 2v Imperf MS+ 4v uprated on Regd airmail 5c envelope from New York to Bermuda (Image)

USA 1937 2v on Trans-Pacific Airmail FFC from San Francisco California via Hong Kong China/ Sydney Australia to New Zealand (Image)

USA 1947 Thomas Edison 3c block of 8+ 4c on Taxed Regd cover from Milan Ohio to Madagascar & returned to New York w/ Postage Due France Libre 2v w/ s/c (Image)

USA 1943 Four Freedoms 1c block of 4 on censored Regd FDC w/ 2v at back from Washington DC to Damas, Syria French Levant & returned to New York w/ boxed "NON RECLAME"/ "NON CONTROLE" cachets (Image)

USA 1895 2v on Regd cover w/ framed "AR" & "Return Receipt Demanded" cachets from New York to London England (Image)

USA 1880 2v on cover w/ concentric cancel from Buffalo NY to France redirected to Switzerland w/ Forwarding Agent's seal (Image)

USA 6c on cover from Albany NY to Hotel Victoria Heidelberg Germany redirected to Kissingen (Image)

USA Japanese Consulate preprinted 1c unused postcard with h/s "CONSULATE GENERAL OF JAPAN/ NEW YORK CITY NY USA" (Image)

USA 1873 1c uprated on Franklin 1c env from Cambridge Massachusetts to London England (Image)

USA 1930 65c uprated on 1c postcard w/ "EUROPE PAN-AMERICA ROUND FLIGHT" violet cachet via Graf Zeppelin to Germany (Image)

USA 1904 McKinley 1c postcard uprated by 1c from Woodhaven, New York to Lubeck Germany (Image)

USA 7c uprated on 3c envelope from New York to Krogen Sweden (Image)

USA 1961 31 years anniv flight in rocket regd 2 envelopes to Rend Nevada (Image)

USA 1898 2c on taxed envelope w/chargemark from Brenham to London GB (Image)

USA 1895 Officially Sealed uprated 1c Regd envelope to England w/ "DEAD LETTER OFFICE/ MONEY LETTER" cachet (Image)

USA 1893 Columbus 10c Regd envelope from Newark NJ to Chicago Illinois (Image)