16 Paper, packaging cardboard articles, bags, sachets, envelopes, small bags, of paper, printed matter, signboards of paper or cardboard, bookbinding material, photographs, stationery, adhesives for stationery or household purposes, artists' materials, paint brushes, typewriters and office requisites (except furniture), instructional and teaching material (except apparatus), plastic packaging materials (not included in other classes) bags, sachets, films and sheets, printers' type, printing blocks, magazines, books, catalogues small newspapers