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 01 Pearls, natural or cultured, whether or not worked or graded but not strung, mou 71 01 10 Commodity Code Description 71 01 10 00 71 01 10 10 Natural pearls from the oyster pinctada margaritifera 71 01 10 90 Other