16 Stationery, namely paper, cardboard, adhesive bands and glues for stationery and household purposes, calendars, posters, pictures, placards of paper or cardboard, photographs, paintings, stamps being postage stamps, writing papers, copying papers, papers and paper rolls for typewriters and calculators, postcards, notebooks, writing-pads, envelopes, labels being paper labels, document files, albums being photo albums, stamp albums, pens, pencils, paints being pencils for painting, painting pencils, painting brushes, painting palettes, mail openers being letter openers, clips being paper clips, typewriter tapes being typewriter ribbons, cachets, stamp inks, writing and drawing inks, tile inks being stamping ink, correction liquids for documents, erasers, electric and non-electric pencil sharpeners, blackboards, drawing rulers and painting pencils