RM Auctions made waves with its 2013 Monterey auction by selling $125M in cars, led by the $27.5M 1967 Ferrari 275 GTB/4*S NART Spyder. The numbers were so gaudy, in fact, that some observers questioned whether they would ever be able to top the event.
https://www.hagerty.com/media/valuation/2014-rm-monterey/
https://www.hagerty.com/media/valuation/2014-rm-monterey/
