16 Paper and cardboard (unworked, semi-worked or for stationary or printing); printing goods; binding material; photographs; stationary; adhesives (sticky materials for stationary or household purposes); artists' materials; paintbrushes; writing machines and offices materials (except furniture); instructional and teaching material (except devices); pictures; books, brochures, reviews, newspapers, magazines, flyers, publications, periodicals; printed matter, paper, cardboard for stationary or printing; paper or cardboard boxes, cartons, sacks and bags (envelopes, small folders in paper or plastic materials for packaging, posters, photographs, images; albums, frames notebooks, registries, (books), notebooks, files, announcements, directories, binders; letter openers; paper trays; writing instruments, pens, ball-point pens, stylomines, felt pens, pencils; ink (stationary); erasers; desk pads; plastic sheets and films for packaging; packaging paper to cover books and notebooks; post cards; letterheads