This Rally Red 1970 Coronet R/T convertible was built during the model’s final year, and only 14 buyers that year checked the one option box that made a Coronet R/T genuinely rare. Whether this car is one of those fourteen or a well-optioned 440 example, it’s a snapshot of a nameplate on its way out. Read on to find out what buyers actually chose, and why almost none of them chose the exotic option.