One incredible piece of history. This 1951 @cadillac #Series #62 #Royal #convertible was factory-built for parade use by HRH Princess Elizabeth in 1951 and is powered by a 331ci OHV V-8. This car is selling with No Reserve in Las Vegas. Ready to sell yours? Consign today for the Las Vegas #Auction, Sept. 10-12 in the West Hall of the Convention Center. Learn more on Barrett-Jackson.com