It is difficult to put a price on it but it has to be one of the most valuable and historical Chevrolets ever built. It is a well documented prototype that escaped from the factory and was Estes personal car. Not only a convertible Z but, if the Internet buzz is true, it has four-wheel disc brakes Œ69 prototype fiberglass hood, factory headers, and a bunch of other options. They also list "cross-ram air"? Does this mean it has a 2x4bbl cross-ram and AC? There is a web page on it at
http://stdev.scc.spokane.cc.wa.us/rv...h/68cv_z28.htm