14 Precious metals and their alloys; Jewelry; Ornaments of precious metals, base metals, and synthetic materials, namely, amulets, pendants, bracelets, pins, brooches, necklets in the nature of neck chains, necklaces, tie pins, tie clips, jewelry chains, cuff links, medallions, earrings, rings; Key rings of precious metal; Imitation jewelry; Horological and chronometric instruments, namely, watches, chronographs for use as timepieces, and pocket watches; Semi-precious stones and precious stones, in particular diamonds, brilliants, rubies, emeralds, sapphires