"This Agen style helmet is found among Celts along the Rhine and in eastern Gaul. This can be seen with cheek guards as the two small rivets denote it once had them. Apparently they were taken off before burial.
Two Celt-Iberian helmets (the first two are the same) ~ the Celt-Iberians were a mixture of indigenous Iberians and immigrating Celts that came down from the Pyrenees. They lived in northern Iberia (Portugal and Spain).