This is an open heart necklace from Tiffany. Chain length: Approximately 38cm I have cleaned it with jewelry cleaning solution, so I think you can use it comfortably ( .ˬ.)" Please understand that this is a used item, so there may be minor scratches. #YafukoAccessoriesList Purchased from... Eco Ring This item was purchased from an online antique market auction, where it was authenticated, so it is being sold as an authentic item. In the unlikely event that it is a fake, please contact me immediately. Antique Dealer License Number 251080004838 Fukushima Prefectural Public Safety Commission ★Shipping method... We may change from Yu-Yu Mercari delivery to Raku-Raku Mercari delivery, or vice versa. If you have a preferred shipping method, please feel free to let me know during the transaction. ★We may use recycled materials for packaging. ★If you would like to know more details, see more pictures, or have any questions, please feel free to ask (*^^*) I look forward to a good relationship where we can both have a pleasant transaction ( .ˬ.)" #tiffany #heart #Tiffany& Co.