Roper-Corbet

The Roper-Corbet was an English automobile manufactured from 1911 until 1913 and sold by the London and Parisian Motor Co Ltd. Its maker is not known. A four-cylinder, 2412 cc 14/16 hp model was exhibited at the London motor show in 1911. It was advertised for £350 complete.
References.
David Burgess Wise, "The New Illustrated Encyclopedia of Automobiles".