RM Sotheby's 2019 season will kick off with its 20th annual Arizona auction on 17–18 January. Presenting more than 100 blue-chip automobiles from the world's most iconic marques, including Ferrari, BMW, Mercedes-Benz and more, the sale reflects the diversity of the collector car market. Click ahead for 12 highlights, ranging from a Rolls-Royce used by Queen Elizabeth to the Spartan Royal Mansion.