letter sheet
Noun
Meaning
letter sheet (plural letter sheets)
1886 letter sheet, used from Chicago to Germany in 1888.
(philately) A sheet of paper that may be folded (and often sealed) and mailed without the use of an envelope.
Noun
letter sheet (plural letter sheets)
1886 letter sheet, used from Chicago to Germany in 1888.
(philately) A sheet of paper that may be folded (and often sealed) and mailed without the use of an envelope.