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have postmarked

  • present perfect
    of postmark.
    postmark
    noun
    an official mark stamped on letters and other mail, serving as a cancellation of the postage stamp and indicating the place, date, and sometimes time of sending or receipt.

Example Sentences

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Aug. 1 or have postmarked by that date.

From Seattle Times Jul. 22, 2023

I would have postmarked a letter to myself the same day and left the envelope sealed.

From New York Times May 20, 2017