Authentic Tiffany & Company 925 sterling silver 1837 padlock pendant and 16" authentic Tiffany & Co chunky sterling silver chain necklace. Excellent used condition with minor wear. The spring closure mechanism of the padlock pendant is in excellent working condition. Measurements: Chain - 16" long Padlock - 0.5" x 0.75” The padlock pendant is marked "925 T & CO 1837,” and the center link of the chain is marked “T&Co 925.”