postmark
Speech parts
1. postmark - Noun
2. postmark - Verb
Meaning
The mark, or stamp, of a post office on a letter, giving the place and date of mailing or of arrival.
To mark with a post-office stamp; as, to postmark a letter or parcel.
Source: Webster's dictionarySynonyms
Antonyms
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Derivatives
Examples
A first day cover usually consists of an envelope, a postage stamp and a postmark with the date of the stamp’s first day of issue thereon.
A postage meter imprints an amount of postage, functioning as a postage stamp, a cancellation and a dated postmark all in one.
Appel and Haken's announcement was widely reported by the news media around the world, and the math department at the University of Illinois used a postmark stating "Four colors suffice."
At this ceremony, attendees could attach the Duke stamp to an envelope and get it canceled with a First Day of Issue postmark.
Asked about the number of mail ballots that missed the Nov. 3 postmark cutoff, the U.S. Postal Service referred back to local election officials for comment.
After applying the first day of issue postmark, the Postal Service will return the envelopes through the mail.