It was modded from a traditional trem to a Floyd maybe - just due to the string nut. You can tell pretty easily by looking at the route for the Floyd and nut, unless it was really a top-notch luthier. My old Charvel was modded at the factory and extremely easy to note that from photos. If you pull the neck, you can probably ascertain whether it really is a repaint. I assume they still dated necks and bodies in 2004. If so, it'll be easy to tell if they came from the factory at the right time to both be together/original if that's what you're looking for - probably worth checking before listing!
I suck at values for Charvels, and they're unique/rare enough that it's always really dependent on who is (or isn't) interested at the time.