RARE find Authentic Tiffany & Co. silver key heart pendant with beaded necklace

Authentic Tiffany and Co. Silver Beaded necklace bought on fifth avenue! This is a rare find as the keyhole is open (current style is a bubble heart). Chain length: 16 “ Material: 925 Silver Heart is stamped with Tiffany Co. Box and bag included. (Bag has a bit of stain). The necklace itself is in a good condition.