1963 Aston Martin DP215 Grand Touring Competition Prototype 10 July 2018 1963 Aston Martin DP215 Grand Touring Competition Prototype SOLD for 21,455,000 Estimate $20,000,000 to $25,000,000 Auction: RM Sotheby’s Monterey 2018 Simon Clay © 2018 Courtesy of RM Sotheby’s