first-day cover Hear it!

first-day cover definition

first-day cover (fʉrst′dā′)

an envelope, postal card, etc., bearing a newly issued stamp and a postmark for the first day the stamp was issued
also first day cover

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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