I have had four of these people tell me in the past few days that there is no such thing as an original print. The concept is beyond their comprehension. However, there is a group of truly unscrupulous dealers who do actually lie about what they are selling you. They also sell forgeries. They tend to have in their galleries the same Erte, Dali, Jiang, Max etc ., that the legitimate tacky dealers have with the Matisse, Chagall, etc., forgeries thrown in.
Most reputable dealers are happy to educate, explain, and teach.
They have a passion for the art they sell, and they want to communicate it. Reputable dealers will also give full condition reports, and will document fading, foxing or other condition problems of a work on paper, or older canvases. There are typically four different areas in the contemporary art market today and most dealers will sell art from one or more of these areas. The art dealer who specializes in the avant-garde and in work by established artists typically represents these artists. Most of these dealers have a stable of 20-30 artists who they choose to work with and by representing them, not only exhibit the artist's work regularly, but also are responsible for the public relations involved.