Antique Tiffany & Co. Sterling Silver and Bone Magnifying Glass Consign Now DeptCollections, Decorative Arts, SilverSize10 in. x 3.5 in. Antique Tiffany & Co. Sterling Silver and Bone Magnifying Glass, with floral gadrooning to outer edge of rim, stamped Tiffany & Co. Makers, and Sterling. The looking glass is original Tiffany factory glass but has loss. 10 in. x 3.5 in. Please note that this auction has ended. Click here for an overview of this auction.