letter sheet
noun1
Hobbies, Lifestyle, Philately A sheet of paper that may be folded (and often sealed) and mailed without the use of an envelope.
noun
Hobbies, Lifestyle, Philately A sheet of paper that may be folded (and often sealed) and mailed without the use of an envelope.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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