4817.20.20

Envelopes, letter cards, plain postcards and correspondence cards, of paper or paperboard; boxes, pouches, wallets and writing compendiums, of paper or paperboard, containing an assortment of paper stationery: Letter cards, plain postcards and correspondence cards: Sheets of writing paper, with border gummed or perforated, with or without inserts, prepared for use as combination sheets and envelopes