A Greek bronze Chalcidian helmet

A Greek bronze Chalcidian helmet
Circa 550-500 B.C.
With carinated domed crown, flaring neck-guard and crescentic cheek-guards, a short pointed nose-guard running to arching eye openings, a moulded band around the eye perimeters and beneath the carinated edge, with curled terminals at the temples, an incised line running around the ear perimeters, surmounted by a plume-holder, probably not belonging, the short vertical edges each pierced with four attachment holes and bordered with an incised scallop design, two further pierced attachment holes at the crown, one with ancient rivet remaining, and an ancient, but not belonging, attachment plate affixed, 25.5cm high