As the Cord 810 evolved into the 812 with production fully underway, Auburn Automobile Company’s most flamboyant line received supercharged power as a popular $415 option on all models.

A supercharged 812 had a factory-quoted power output of 170 horsepower, although Lycoming employees later recounted numbers as high as 195.

The factory sent two properly equipped Beverly sedans to the Indianapolis Motor Speedway where, driven by Ab Jenkins and Billy Winn, they recorded the highest average speed over a 24-hour period ever achieved at the Brickyard—more than 80 mph—and captured the famous Stevens Trophy.

That record would stand until 1954.

The Phaeton offered here is identified as a factory-supercharged example by virtue of its five-digit serial number, beginning with the number three.

It resided for many years in Washington State, including several decades with the late enthusiast John Brewin, in whose ownership it was long recorded by Cord historians.

Following Mr.

Brewin’s passi...