Ca. 800 - 1100 AD. Rare medieval four-plate iron helmet; formed of triangular sections; attached with iron rivets passing through this overlap to secure them in position; the rivets worked flat into the surface of the helmet, almost invisible from the outside but detectable on the inner surface; the inverted lower rim furnished with an additional series of rivets, probably to accommodate a lining; the plate-junction at the apex with loop, allowing a plume or horsehair streamer to be inserted, or a conical covering plate to be attached.Good Condition; H:180mm/ID:200x155mm ( 7.08in, 7.87x6.10in) ; 1500gr; Provenance: Property of a professional London art expert; obtained from an old British collection formed in the 1970s. All Items sold by Pax Romana Auctions come with professional Certificate of Authenticity.