The head of a Moor is frequently borne on the arms of those at one time involved with crusades, possibly associated with some “deeds of prowess”. The Symbolisms of Heraldry, W. Cecil Wade, George Redway, London, 1898 P93 The head is shown typically in a realistic fashion but the precise details are left to the imagination and skills of the artist! A Glossary of Terms used in British Heraldry, J.H. Parker, Oxford, 1894, Entry:Head