RARE Luciano Tadini large 18K yellow gold shell zodiac pendant. The pendant features a "Sagittarius" with round green chalcedony cabochon eye, set on a round shell (measuring 2 inches in diameter), supported by a beaded gold bezel and a 5/16 " bail. Marked: TADINI 22-11 - 22-12 (for November 22 - December 22) on the back The bail is stamped with French export gold hallmark and the French maker's mark. Also mark OR 750 Measurements: 2 3/16 " (56 mm) Width x 2 13/16 " (72 mm) Length (including bail) Weight: 42.7 grams In the mid 20th century, after working at Bvlgari and at Cuzzi which used to sell jewelry to the Italian royal house, Luciano Tadini immigrated to Brazil, and was introduced to the Italian colony by the Prince Giovanni Alliata di Montereale. After that, he began designing exclusive jewelry for the new clientele. Tadini jewelry line continued by his son Christian Tadini.