Early 20th century AD. A pressed steel mask or faceplate from a helmet with ventilation holes to the nose and mouth, reinforced rim above, attachment rivets for the hinge mechanism. See Mohamed, B., The Arts of the Muslim Knight, Milan, 2008, for discussion. 421 grams, 24cm (9 1/2"). From the family collection of a Hampstead gentleman; formerly acquired in the 1980s.