40/50 hp, 7,428 cc side-valve inline six-cylinder engine, four-speed manual transmission, live front axle with semi-elliptical leaf-spring suspension and friction dampeners, cantilever rear suspension, and four-wheel drum brakes with gearbox-driven servo.

Wheelbase: 150.5 in.

The fascinating history of Silver Ghost chassis number 23 EM begins with original owner Mathia Astoreca, who maintained homes in London, Paris, and Santiago, Chile.

He acquired the Rolls-Royce in November of 1923 with the understanding that it would be updated with four-wheel brakes as soon as they became available, something that was done in 1925.

Astoreca’s brother had earlier purchased Rolls-Royce’s 1921 Paris Salon car, chassis number JG6, and it was this car’s Million-Guiet cabriolet body that was relocated to the new chassis by London coachbuilders Barker.

Astoreca drove chassis number 23 EM extensively in the UK and on the European continent until his passing in January of 1926.

Afterward, it was retu...