An Italian Tiffany and Co Sterling Silver ring. The ring is encrusted with a large Onyx stone, adorned with a floral pattern to the center. Marked with an AG 925 Sterling Silver hallmark, copyright and brand logo, Italy, inside. Completed with an original brochure, a pouch, a ribbon, and a box, marked with a brand logo. Circa: late 20th century to early 21st century. Weight 5.4 g.. Modern and Contemporary Tiffany and Co Sterling Silver Design Bracelets, Jewelry Wares For Collectors.