16 Paper; paper articles, namely, pads, sketch pads, paper blocks for writing, sketching, drawing or painting, paper palettes; cardboard; cardboard articles, namely, cardboard packaging, cardboard boxes, cardboard containers, paperboard in the nature of cardboard, cardboard picture mounts, advertising signs and signboards of cardboard, display banners of cardboard, cardboard display units for merchandising products; drawing boards; artists' canvas panels and canvas boards; painting boards; artists' palettes; stationery; writing implements; drawing implements, namely, artists' writing and drawing quills, calligraphy brushes and calligraphy pens; writing and drawing materials, namely, writing paper, writing pads, writing brushes; markers; sets of markers; pens; sets of pens; pencils; charcoal; crayons; paint brushes; artists' brushes; painting sets for children; paint boxes; artists' palettes; artists' saucers; artists' easels; printed matter, namely, books, guides, manuals, leaflets, brochures, charts and diagrams in the field of art, artists' materials, artistic techniques, and art education; printed instructional and printed teaching materials in the field of art, artists' materials, artistic techniques and art education; ink for writing instruments; Indian ink; writing ink; drawing ink; calligraphy ink; ink sticks; adhesives for graphic arts purposes