… Envelopes, letter cards, plain postcards and correspondence cards, of paper or paperboard; …
Explanatory notes
… 48.17 ‑ Envelopes, letter cards, plain postcards and correspondence cards, of paper or … 48.02, 48.10 or 48.11, as the case may be). (b) Letter pads, memorandum pads, etc. of heading 48.20. (c) …