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  2. Rubber stamp - Wikipedia

    en.wikipedia.org/wiki/Rubber_stamp

    A rubber stamp is an image or pattern that has been carved, molded, laser engraved, or vulcanized onto a sheet of rubber. Rubber stamping, also called stamping, is a craft in which some type of ink made of dye or pigment is applied to a rubber stamp, and used to make decorative images on some media, such as paper or fabric. [1][2][3][4]

  3. Postage stamp paper - Wikipedia

    en.wikipedia.org/wiki/Postage_stamp_paper

    A sheet of National Telephone Company postage stamps. Postage stamp paper is the foundation or substrate of the postage stamp to which the ink for the stamp's design is applied to one side and the adhesive is applied to the other. The paper is not only the foundation of the stamp but it has also been incorporated into the stamp's design, has ...

  4. Postage stamps and postal history of the United States

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

    Benjamin Franklin — George Washington The First U.S. Postage Stamps, issued 1847. The first stamp issues were authorized by an act of Congress and approved on March 3, 1847.[20] The earliest known use of the Franklin 5¢ is July 7, 1847, while the earliest known use of the Washington 10¢ is July 2, 1847.

  5. Microcontact printing - Wikipedia

    en.wikipedia.org/wiki/Microcontact_printing

    Conformal contact is made with the substrate and pattern is left behind. Microcontact printing (or μCP) is a form of soft lithography that uses the relief patterns on a master polydimethylsiloxane (PDMS) stamp or Urethane rubber micro stamp [1] to form patterns of self-assembled monolayers (SAMs) of ink on the surface of a substrate through ...

  6. Self-adhesive stamp - Wikipedia

    en.wikipedia.org/wiki/Self-adhesive_stamp

    Self-adhesive stamp. A self-adhesive stamp is a postage stamp with a pressure-sensitive adhesive that does not require moistening in order to adhere to paper. They are usually issued on a removable backing paper. Stamp collectors have criticized the format, because the rubber-based adhesive used tends to yellow the stamps progressively.

  7. Presidents of the United States on U.S. postage stamps

    en.wikipedia.org/wiki/Presidents_of_the_United...

    Among the most definitive is George Washington, whose engraving (along with that of Benjamin Franklin) appeared on the first U.S. Postage stamps released by the U.S. Post Office, on July 1 of 1847. Thomas Jefferson first appeared on U.S. postage in March 1856, nine years after the first issues were released.

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