Rougemont Castle Exeter Devon. Antique print of Rougemont Castle, also known as Exeter Castle, the historic castle of the city of Exeter, Devon, England. It was built into the northern corner of the Roman city walls starting in or shortly after the year 1068, following Exeter’s rebellion against William the Conqueror. Antique copper-plate engraving dated in the plate 20 March 1784. Size of engraved area approx 5x6ins. Price shown is ex VAT.