This is a Tiffany & Co. By the Yard necklace. It is made of Pt950. The diamond carat is 0.05 carats. The necklace length is 42cm. The clasp plate is engraved with Tiffany & Co., Peretti, and Pt950. It was purchased at Isetan about 17 years ago. There are no noticeable scratches or stains. The 0.05 carat platinum 950 By the Yard necklace is no longer sold. The 0.08 carat version is currently on sale for 220,000 yen. Please use this as a reference. The only included accessory is the storage bag shown in the image.