Gary Dunaier: Stampless cover postmarked New York, July 4, 1776, the actual day of American Independence, as shown in a 2012 Philatelic Foundation advertisement
Gary Dunaier: 1879 envelope with a typewritten address - three years after the introduction of the typewriter
Gary Dunaier: Typewritten postcard from 1889
Gary Dunaier: Both sides of a postal card typewritten in 1895
Gary Dunaier: Typewritten postcard from 1896 - both sides are shown
Gary Dunaier: First postage meter stamp design commercially used in the United States, used on a 1921 cover - this is Meter No. 1, used from the company that would become Pitney Bowes
Gary Dunaier: Very early U.S. postage meter - August 8, 1921, meter #4, permit #6
Gary Dunaier: Early meter stamp (1922) on a Quaker Oats envelope showing the Quaker Oats Man
Gary Dunaier: 1923 Harding Memorial issue on card with December 31, 1923 postmark and a second example postmarked January 1, 1924 - both postmarks from Marion, Ohio, where Harding lived for the majority of his adult life
Gary Dunaier: 1926 cover, possibly philatelic, with Honolulu, Hawaii slogan cancellation promoting tourism in what would eventually be the nation's 50th state
Gary Dunaier: 1926 Contract Air Mail cover (Boston-New York route) serviced by pioneer FDC servicer Edward C. Worden
Gary Dunaier: Single from the 1926 White Plains souvenir sheet on a Roessler corner card envelope, with rubberstamped address to Roessler, October 18, 1926
Gary Dunaier: First Day Cover of the Washington at Valley Forge commemorative stamp, May 26, 1928 - first Adam K. Bert cachet
Gary Dunaier: 1928 Molly Pitcher FDC with Roessler corner card and rubber stamp address to Roessler
Gary Dunaier: 1928 Molly Pitcher First Day Cover, serviced Freehold, New Jersey on a pre-printed envelope addressed to Eugene Klein (the dealer who bought the original pane of Inverted Jenny stamps from William T. Robey, the original purchaser of the stamp)
Gary Dunaier: 1929 Edison's Electric Light FDC with the stamp incorrectly affixed in the lower left corner of the envelope - the cover is shown twice so you can see it from both angles
Gary Dunaier: 1930 Massachusetts Bay Tercentenary FDC on Hunt cachet
Gary Dunaier: Empire State Building picture postcard mailed during the first month it was open to the public (May 30, 1931)
Gary Dunaier: 1933 Newburgh Bicentennial "blooper" FDC - note the second strike of the cancellation going through the cachet - cachet is a first-year C. Stephen Anderson
Gary Dunaier: 1933 Newburgh Bicentennial "blooper" FDC - the machine cancel missed the stamp, but the cover was noticed by a postal worker who applied a 4-bar hand cancel socked-on-the-nose
Gary Dunaier: 1934 cachet prepared by legendary stamp dealer Herman Herst, Jr. to commemorate the 5th anniversary of the stock market crash - at the time, Herst worked for a Wall Street firm
Gary Dunaier: 1935 California Pacific Finternational Exposition "blooper" cover - the machine cancel fell too far to the right of the stamp, this was caught and a hand cancel was applied to provide a legible date
Gary Dunaier: 1935 cover produced by legendary stamp dealer and philatelic author Herman Herst, Jr. commemorating the oldest streetcar system in the United States
Gary Dunaier: FDC of the Connecticut single from the 1936 TIPEX souvenir sheet, with unofficial New York, NY, City Hall Annex machine cancellation
Gary Dunaier: FDC of the 1936 King Edward VIII halfpenny definitive from Great Britain
Gary Dunaier: Souvenir envelope postmarked November 15, 1936 - the 10th anniversary of NBC, the National Broadcasting Company
Gary Dunaier: Great Britain cover postmarked the day King Edward VIII abdicated the throne (December 10, 1936)
Gary Dunaier: Great Britain cover postmarked on the last day of the reign of King Edward VIII (December 11, 1936)
Gary Dunaier: First use of the "First Day Of Issue" slogan cancellation was on the Ordinance of 1787 issue of 1937 - postmark was used in New York, NY and Marietta, Ohio - cachet is Linprint
Gary Dunaier: Canadian FDC commemorating the 1939 Royal Visit to Canada - the 1-cent value includes a portrait of 13-year-old Princess Elizabeth, who would become Queen 13 years later and serve for over 65 years