There is blackening. There is a marking on the inside, but the content of the marking is unknown. I plan to ship only the ring, but please message me if you need the box. ───────────────────── The following is quoted from the website: Men's ring made with "Eternal Silver," an original material that is resistant to discoloration. It has a simple design that makes it easy to match with various fashions. Color: Silver系 (Silver-based) Material: Silver Size: 18 Stone/Type: None Accessories: Box (Shipping is planned to be ring only) Scratches/Discoloration: Yes