1969 Plymouth sport satellite 383 4bbl 4 spd stock tac how rare could this be?

go this link they are selling the exact same car http://motors.listings.eBay.com/Plymouth_Satellite_W0QQsacatZ6415QQsocmdZListingItemList i found in the poduction of 1969 sport satellites with a 383 4bbl and 4 spd trans 401 were built while 940 automatics were built with this engine and model combo if you want to check if the car is original look at the v.i.n. number the first 6 digits should read rp23h9