International car auctioneer RM Sotheby’s kicked off its 2020 calendar with its 21st annual Arizona auction, bringing in a total of $30.4 million in sales, with 90 percent of all lots sold. The two-night auction, held at the Arizona Biltmore in Phoenix during Arizona Car Week, saw bidders from 26 countries in the room and via phone and internet, 25 percent of them registering to bid with RM Sotheby’s for the first time. The top...