Tiffany & Co. Heart Tag Toggle Necklace Sterling Silver Pendant Tiffany & Co. Heart Tag Toggle Link Necklace Sterling Silver Pendant Tiffany & Co. Sterling Silver Heart Tag Toggle Necklace Tiffany & Co. Heart Tag Toggle Necklace Sterling Silver Pendant Vintage Tiffany and Co Sterling Silver Blank Double Heart Tag Toggle. This authentic Tiffany & Co. necklace is a charming pick that will remain in style for years to come. Crafted from premium sterling silver, it showcases a bold, chain link design with a logo engraved toggle closure. A flat and solid heart tag hangs next to the closure which is designed to be worn at the front. For a sophisticated fall look, pair this designer necklace with this season's must have cardigan.