As we usher in a new year, international auction house Sotheby’s has previewed 20 sales to look for in the first quarter of 2020. 1. RM Sotheby’s: Arizona, Phoenix, 16th–17th January Kicking off the collector car auction season, RM Sotheby’s returns to the stunning grounds of the Arizona Biltmore Resort & Spa in Phoenix, 16th–17th January, for its 21st annual Arizona sale. The auction will feature sub-$100,000 collectible cars, as well as sports and GT...