Tiffany & Co Vintage Authentic sterling silver and 18k yellow gold necklace. Unusual jigsaw puzzle heart design. Hallmarked on the heart: Tiffany & Co Italy 925 750. Necklace measures approximately 17 inches long. The item "Tiffany & Co.Authentic Sterling Silver & 18k Gold Jigsaw Puzzle Heart Necklace" is in sale since Tuesday, April 23, 2019. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Necklaces & Pendants\Precious Metal without Stones". The seller is "estatements" and is located in Great Neck, New York. This item can be shipped worldwide.