Thank you for stopping by the Authentication files. What you will find filed away here are counterfeit spotting guides. These tutorials are to help you filter out the fake handbags and sunglasses that saturate the e-commerce environment. These guides will be especially useful on sites like ebay and Amazon. The goal of the tutorials is to first bring you the basics, and once that solid foundation is established, to further drill down into all the gory details concerning authentic luxury merchandise. The purpose of this is to extract some of the most powerful information relevant to counterfeit detection, all while attempting to present the information in a simple and powerful, easy to follow structure. Going over the basics and gradually incrementing into some of the more advanced fake spotting techniques.