Derek Lam Collective Silver Crepe Metallic One Shoulder Dress Women's Size IT 44

Derek Lam Collective Silver Crepe Metallic One Shoulder Dress Women's Size IT 44 Pre-loved, has some black spots to metallic on the front that blend in with fabric, hard to explain, it's like the metallic is coming off? (2nd to last pic). One shoulder neckline, tiered hem, mini length. $450 retail. See photos for details. Approx. measurements: Bust: 18.5" across I do my best to inspect every item for any flaws or imperfections. Offers welcome, bundle and save! BBB3213