Bronze; Two sheets of bronze attached front and back by folding a flap of metal from one over the other at rim; 3 rivets secure. Crest made by folding edge of one sheet over the other; decorated by fine parallel incised lines. Pershiable lining probably secured in crest-fold re,aomomg om omteropr, and by bands at points on interior rim. Bands on interior sides may have held chin-straps or cheek pieces.
Freidin, Nicholas. "Early Iron Age Luxury Imports: Into the Paris Basin." Expedition: The Magazine of the University of Pennsylvania Museum of Archaeology and Anthropology 24, no. 3. (1982): 21-29. See: p. 22, fig. 2