paper, cardboard and stationery products, papers for packaging, paper products for household and for personal treatment purposes; printed matter; bookbinding material; photographs; stationery; adhesives for stationery and household purpose; artists' materials; typewriters and office requisites (except furniture); instructional and teaching material (except apparatus); plastic materials for packaging in the form of envelopes, bags, covers; playing cards; printers' type; printing blocks; pencils of all kinds and colors; lead-holders, pencil leads, pencil extension pieces, tip protection pieces for pencils, pencil lead sharpeners, pencil sharpeners, machines for sharpening leads and pencils, chalks, crayons, chalk-holders, chalk extension pieces, pens and fountain pens of all kinds and of all colors, drawing colors, penholders, fountain penholders, ballpoint pens, felt-tip pens, fibre-tip pens, pen cartridges, inks, rubber erasers; poster paint; paint brushes, artists' pastels, modeling pastes, glues, adhesive tapes; material for writing and drawing, books, calendars, atlas, exercise books for writing and drawing, posters