This is an Atlas ring from TIFFANY & Co. (Tiffany). It's a popular series featuring Roman numerals around the outer circumference, suitable for both men and women. [Product Information] ・Brand: TIFFANY & Co. ・Model: Atlas Ring ・Material: Silver 925 (stamped) ・Markings: ©1995 / 925 ・Size: Size 18 (Measured inner diameter 18.6mm) ・Width: Approximately 11mm [Condition] There are minor scratches and small marks from use, but it is still in a condition that can be used. Please refrain from purchasing if you are sensitive to these details.