Section 10 PULP OF WOOD OR OF OTHER FIBROUS CELLULOSIC MATERIAL; WASTE AND SCRAP OF PAPER OR PAPERBOARD; PAPER AND PAPERBOARD AND ARTICLES THEREOF 48 Paper and paperboard; articles of paper pulp, of paper or of paperboard 48 17 ENVELOPES, LETTER CARDS...; BOXES, ETC, OF PAPER, WITH PAPER STATIONERY 48 17 20 Letter cards, plain postcards and correspondence cards Commodity Code Description 48 17 20 00 Letter cards, plain postcards and correspondence cards