Fowey. Antique print of Fowey Castle, or St Catherine’s Castle, and the Town Haven. Fowey Castle is a Henrician castle in Cornwall, built by Thomas Treffry between approximately 1538 and 1540, in response to fears of an invasion of England by France and the Holy Roman Empire. Antique copper-plate engraving dated in the plate Dec 1st 1786. Size of engraved area approx 5x6ins. .