Section 10 Pulp of wood or of other fibrous cellulosic material; recovered (waste and scrap) paper or paperboard; paper and paperboard and articles thereof 48 Paper or paperboard; articles of paper pulp, of paper or of paperboard 48 17 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. Commodity Code Description 48 17 10 Envelopes 48 17 20 Letter cards, plain postcards and correspondance cards 48 17 30 Boxes, etc, of paper or paperboard containing paper stationery