[Mark IV]

I would argue that the market prices are not set by the seller but rather the buyers. It is the same with used cars of the garden variety.....the dealers do not set the values, it is the purchasers that set the price. If they will pay more, then the dealer asking prices will rise.......if they will pay less, the asking price will drop. It is "econ 101" in action. The buyer pays according the perceived value. Add in a little "woody" factor and there you have the "Kelly Blue Book" for used "Cobra" prices. Although as anyone in the auto business will tell you "the book never bought or sold a car", it is only a reporting means for previous sales.