A historically significant 1955 Porsche 550 Spyder by Wendler is set to cross the block at RM Sotheby’s Monterey auction next month with an estimated value of $3.25 million to $3.75 million. As the second-to-last of just 90 customer-built 550 Spyders, chassis 550-0089 represents one of the most coveted examples...
