Early 4th century BC. A Chalcidian helmet formed as a bronze bowl with carination to the crown, flared edges at the ear openings and above the eyes; a short nasal with flared rim and rear flange neck-guard; the cheek pieces connected to the bowl by a five-part hinge, each D-shaped with contoured forward edge. See Born, H. Die Helme des Hephaistos. Handwerk und Technik griescchischer Bronzen in Olympia, München, 2009 for discussion. 783 grams, 33cm (13"). Property of an Oslo gentleman; formerly in a Norwegian arms and armour collection; previously with Numisma Mynthandel, Norway; acquired from a Mayfair gallery, London, UK, in 2007; previously in the private North American collection of Bruce Ferrini, Ohio, USA; accompanied by a metallurgic analytical report written by Metallurgist Dr. Brian Gilmour of the Research Laboratory for Archaeology and the History of Art, University of Oxford, report number 133614. [A video of this item is available to view on TimeLine Auctions website.] Fine condition; some restoration.