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. 71 13 20 Of base metal clad with precious metal Commodity Code Description 71 13 20 00 Of base metal clad with precious metal