Authenticity is determined by a third party authentication company. All of our items undergo a strict and thorough authentication process. WE DO NOT SELL REPRODUCTIONS/COUNTERFEITS/FAKES. Our experts take the time to thoroughly inspect each item for authenticity and only authentic items will be found at Haute Classics. If you are unsure or have any questions regarding an item, please email us prior to your purchase. Please refer to OUR GUARANTEE PAGE for more information.