Koumaru Necklace *Please refrain from purchasing if you are looking for a perfect, brand-new item, as there is no box or similar packaging. ⬜︎ Length: Approximately 45 cm, measured straight including the clasp. ⬜︎ Thickness: Approximately 4 mm ⬜︎ Metal Color: Silver No metal stamps. Although the blackening has been removed, there is some discoloration due to long-term home storage. Please check the photos.