Description Sympathetically restored over an extended period; choice upgrades including Newman cams and twin SU carbs; floor-change gears; extensively used by the current owner, including various long-distance tours; nice original number plate; lots to love about this one! Introduced in late 1926, the Monaco was the saloon variant of the brilliant Riley Nine and is rightly regarded as one of Britain's most successful and aesthetically influential light cars of the inter-war period.

The heart of the Monaco was its 1,087cc four-cylinder engine.

In an era of sluggish side-valve motors, Percy Riley designed a high-revving unit featuring hemispherical combustion chambers and twin camshafts mounted high in the block.

This setup provided near-overhead-camshaft performance with the simplicity of short pushrods, allowing the car to cruise comfortably at 50mph – a remarkable feat for a 9hp-rated car at the time.

Initially fitted with Weymann-style fabric bodywork over an ash frame, this made...