Precious metals and their alloys and goods in precious metals or coated therewith, not included in other classes, namely, jewelry, ornaments of precious metal, articles of jewelry, namely, bracelets, chains, charms, jewel locks, necklaces, amulets, rings, earrings, brooches, ornamental pins, tie clips, cuff links, key rings of precious metal, pearls, precious stones, costume jewelry; horological and chronometric instruments