I talked to the owner on the phone and we struck up a deal on the car. I was on my way to London for a week and told the seller we would talk when I got back. I asked him to send me the VIN number while I was gone so I could verify it was a CS (he stated someone else had verfiied it at some point). I never got a response from the seller about the VIN even though I told him I wanted the car. He did say it was originally a J code car but had a 390 in it presently. He also stated he has the gas cap and original hood. We agreed on a fairly cheap price for the car.
I have a slightly bad vibe about this seller. He is selling a few other cars as well and it seems like no one has gone through with a sale.