Chapter 71 — Natural or cultured pearls, precious or semiprecious stones,precious metals, metals clad with precious metal and articles thereof; imitation jewelry; coin

Heading 7113 — Articles of jewellery and parts thereof, of precious metal or of metal clad with precious metal.

National subdivision 7113.1 — Of precious metal whether or not plated or clad with precious metal:

Subheading 7113.19 — Of other precious metal, whether or not plated or clad with precious metal