first day cover
noun
: a philatelic cover franked with a newly issued postage stamp and bearing the postmark of the first day of issue and an officially chosen place of issue
Cite this Entry
“First day cover.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/first%20day%20cover. Accessed 29 Nov. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share