Platinum ring. - Material: Platinum (Pt850) - Weight: Approximately 1.4g Size 11 X-ray inspected Private engraving of a date and initials on the inside Toei Crown A jewelry manufacturer that existed in Japan until the 1980s. It seems to have been a manufacturer that produced many high-quality jewelry pieces. The cute engraving is a characteristic feature. The company itself has been gone for about 40 years. Its quality is highly regarded, as it is still loved by many users. Thank you for viewing.