Rolls-Royce introduced the 20/25 in 1929 and manufactured an estimated 3,827 rolling chassis over an eight-year production run.

With buyers free to choose their coachbuilder and body style, the model was bodied by a variety of outlets, including Park Ward, Hooper, Van Den Plas, and H.

J.

Mulliner.

Few have ended up in such a unique configuration as this “Dreadnought Special”.

This car—chassis number GNS 39—is believed to be one of 81 made between 1930 and 1931 with the “GNS” chassis number prefix.

In its earliest form, the car was a rare example, having been bodied by H.

J.

Mulliner as a Two Seater Tourer.

First registered for the road on 3 March 1931, the car’s first owner, Vincent Hemery Esq., took delivery two weeks later.

In 1966, it was photographed still fitted with its original body.

The car was purchased as a rolling chassis with engine and gearbox on 4 June 2014 by the current owner, with the intention of creating a one-off special.

It now features an alloy Brookla...