Section 14 Natural or cultured pearls, precious or semi-precious stones, precious metals, metals clad with precious metal, and articles thereof; imitation jewellery; coin 71 Natural or cultured pearls, precious or semi-precious stones, precious metals, metals clad with precious metal, and articles thereof; imitation jewellery; coin 71 13 Articles of jewellery and parts thereof, of precious metal or of metal clad with precious metal. Commodity Code Description 71 13 11 Of silver, whether or not plated or clad with other precious metal 71 13 19 Of other precious metal, whether or not plated or clad with precious metal 71 13 20 Of base metal clad with precious metal