Tiffany & Co. 925 Sterling Silver Heart Link Necklace. This necklace is about 15.5 inches long and weighs about 67 grams. 
The heart is marked "Tiffany & Co. 925." The clasp is also marked 925. 
This necklace has some tarnish, and the heart has some scuffs/small scratches. 
Please see the pictures before bidding. Thanks for looking!