Chicago Consignment has partnered with Entrupy.com (www.entrupy.com) for product authentication. Entrupy’s artificial intelligence device is used to scientifically authenticate Louis Vuitton, Hermes and Chanel handbags. All other items are authenticated using the experience of in-house staff and outside authenticity experts. We authenticate every item before listing it for sale. We guarantee authenticity or will provide a full refund.