Tiffany & Co Knot Key Necklace

UPDATE: Found a lovely 16" Tiffany & Co. silver chain to put this pendant on. Price updated to add chain. Lovely Tiffany & Co Knot Key Pendant in 925 Sterling Silver. Now with 16" chain! Chain is spring clasp and marked 925, Tiffany & Co. Great estate condition! Pendant is 2.5" long and about 1" wide at the top. Hallmarked Tiffany & Co 925 Italy on the back of the key. Beautiful piece!! Comes with a pouch and a box - box has large swirl key written on the back.