16 Stationery, namely, thin sheets of paper for writing, printing, painting; cards, namely, pieces of thin cardboard printed or engraved with a message or with a Christian name or family name of a person, pieces of thin cardboard neither printed or engraved, postcards, envelopes, paper holders, blotting paper holders, stationery-type writing cases, boxes made of paper and cardboard, stationery type portfolios, index notebooks, writing pads, loose-leaf files, erasers, pencils, propelling pencils, fountain pens, pen holders, ballpoint pens, felts; mineholders, namely, instruments for drawing or writing containing thin pencil lead; and playing cards