16 Paper, cardboard; printed matter; bookbinding material, photographs, stationery, artists' supplies; paintbrushes; typewriters and office articles (except furniture); instructional or teaching material (except apparatus); printers' type; printing blocks; photograph stands, photoengravings, watercolours, architects' models, engraved works of art, lithographic works of art, song books, etchings, equipment for painting, franking machines, writing materials, typewriters, bookmarkers, arithmetical tables, biological samples for use in microscopy (instruction material), teaching media in the form of games, mathematical sets, mathematical instruments, paper or cardboard sachets, envelopes, small bags, posters, noticeboards, albums, almanacs, atlases, brochures, calendars, designs, newspapers, books, booklets; manuals, prospectuses, publications, reviews, graphic reproductions, copies of documents