We guarantee this is an authentic item. Please feel free to purchase with confidence. Product Information Brand Name: CHANEL Chanel Condition Rank: BC Rank Color: Silver Color Size: Approximately 1.8cm in diameter Accessories: None Serial Number and Engraving: 00A Source: AACD (All Japan Anti-Counterfeiting Association) and ATF (All Japan Pawn Traders Association) certified antique market Condition: One side with missing Coco mark, significant clouding, small scratches, dirt, and verdigris. Both sides have slightly loose clasps. About Condition Rank: 【N】 New 【S】 Unused (exhibition items, storage items, etc.) 【A】 Products with few scratches and stains and in good condition 【B】 Products with moderate signs of use and some scratches and stains, but in good condition 【C】 Products with signs of use and noticeable scratches and stains 【D】 Products with significant damage and requiring repair, junk items *Please note that the condition descriptions and ranks provided may vary depending on individual subjectivity. Please consider this before making a purchase.