Section 14 NATURAL OR CULTURED PEARLS, PRECIOUS OR SEMI-PRECIOUS STONES, PRECIOUS METALS, METALS CLAD WITH PRECIOUS METAL, AND ARTICLES THEREOF; IMITAT ION JEWELLERY; COIN 71 Natural or cultured pearls, precious or semi-precious stones, precious metals, m 71 15 Other articles of precious metal or of metal clad with precious metal. 71 15 10 71 15 10 00 Commodity Code Description 71 15 10 00 00 - Catalysts in the form of wire cloth or grill, of platinum