I have an aspen ad2812, and i hear these guitars are all rare and vintage(1970's), but mine looks kind of different from pictures of the vintage ones. for example, my fretboard has dot inlays, and the others have nice huge abalone or whatever. I'm not 100 percent sure, but it seems to me that these guitars weren't made past the 70's or 80's. does anyone know how much it might be worth? i've seen one of these models that was definitely from the 70's go for $800 which was supposedly a good price.