The Bonhams auction at Goodwood just saw a BMW 507 that was owned by John Surtees go for over $5 million with the buyers premium. Concours condition 507s go for $2.5 and this was estimated at ~$3.5 Mil

Wow.

https://www.bonhams.com/auctions/24876/lot/330/?category=list&length=20&page=11