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  2. List of United States airmail stamps - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    April 27, 1991: 50¢ Multicolored: Harriet Quimby [PERF 1] S1111 LL – Perf 11.2 S2222 LR: May 17, 1991: 40¢ Multicolored: ... List of United States airmail stamps.

  3. History of United States postage rates - Wikipedia

    en.wikipedia.org/wiki/History_of_United_States...

    The United States Postal Service proposed a price increase for Forever stamps in July 2024, raising the cost from 68 to 73 cents. This follows an increase in January 2024 and marks the sixth increase since January 2021. Despite these ongoing price hikes, the United States maintains relatively inexpensive postage compared to other developed ...

  4. Pan-American invert - Wikipedia

    en.wikipedia.org/wiki/Pan-American_invert

    Each stamp featured an ornate colored frame enclosing a black-and-white image of some means of (or adjunct to) modern rapid transportation. In the standard American Scott catalog, these six stamps carry the numbers 294–299. The first day of issue for the stamps was May 1, 1901. [1]: 60–61 The two color printing left the possibility of errors.

  5. Transportation coils - Wikipedia

    en.wikipedia.org/wiki/Transportation_coils

    Canoe, 5 cents, plate number S11. The Transportation coils series is a set of definitive stamps issued by the United States Postal Service between 1981 and 1995. Officially dubbed the "Transportation Issue" or "Transportation Series", they have come to be called the "transportation coils" because all of the denominations were issued in coil stamp format. [1]

  6. Postage stamps and postal history of the United States

    en.wikipedia.org/wiki/Postage_stamps_and_postal...

    Postal service in the United States began with the delivery of stampless letters whose cost was borne by the receiving person, later encompassed pre-paid letters carried by private mail carriers and provisional post offices, and culminated in a system of universal prepayment that required all letters to bear nationally issued adhesive postage stamps.

  7. Great Americans series - Wikipedia

    en.wikipedia.org/wiki/Great_Americans_series

    The 78¢ Alice Paul self-adhesive stamp, one of the last in the Great Americans series The Great Americans series is a set of definitive stamps issued by the United States Postal Service, starting on December 27, 1980, with the 19¢ stamp depicting Sequoyah, and continuing through 1999, the final stamp being the 55¢ Justin S. Morrill self-adhesive stamp. [1]