4. 1962 Ferrari 250GT SWB California Spider (£14,213,306/$18,045,000)
I saw one if these at a car show and race in Kent, WA at the old SIR. I took pictures of it with my 4x5 camera.
As I was wrapping up, the owner came back from his wanderings, looked at the big dent in the hood and said, “whose been sitting on my car?”