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 met Jewellery; Co 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