This is a Tiffany & Co. double rope center knot necklace. It is highly valuable and rarely available. The market price for vintage Tiffany pieces is also rising, making this a popular model. Purchased from a brand resale shop (member of the Association Against Counterfeit Product Distribution (AACD) in Japan). ▪︎Material: SV925 ▪︎Total Length: 43.5cm ▪︎Width: Center knot 1.2cm, Chain 0.5cm ▪︎Total Weight: 32.55g ▪︎Condition: No noticeable scratches. The hallmark is still present, and the condition is good. Cleaning has been performed using an ultrasonic cleaner and precious metal cleaning solution. ※Please consider this item with the understanding that it is a USED item. ※If there are any parts you cannot judge from the images or any areas of concern, please ask questions in the comments. We are looking forward to your comments.