1958 Porsche 550A Spyder 1958 Porsche 550A Spyder NOT SOLD. Highest bid $2 million Auction: Mecum Monterey 2018 © Mecum Home » USA » California » Monterey Week Auctions » 2018 Mecum Monterey Sale (Porsche 550A Announcement) » 1958 Porsche 550A Spyder