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 06 Silver (including silver plated with gold or platinum), unwrought or in semi-man 71 06 10 71 06 10 00 Commodity Code Description 71 06 10 00 00 - Powder 71 06 91 00 00 -- Unwrought 71 06 92 00 00 -- Semi-manufactured