There are people who are appraisers for just the specific field of antiques. There are shows on TV where a person can watch many people bring their antique lamps and many other antiques on to find out just how much they are worth. antique lamps have to have special features about them for them to be appraised because there are many reproductions of antique lamps or lamps that may have an authentic base but have a modern shade. Only an experienced appraiser can tell if an antique lamp is truly an authentic piece and through research, can find out the correct pricing for such an item.