The Etruscan Sea God

I was recently corresponding with an Italian colleague about the obverse head on the coins of Vetulonia and how to source a decent image.

These are drawings from Sambon:

He’d found this throw away earlier post of mine and that’s how we got talking. Here’s a Paris specimen; a BM specimen.

Well today I was looking for a reference and came across another v old blog post of mine. And lo! Do you see the parallel?

I feel very confident that this intaglio depicts Nethuns wearing a ketos (sea serpent) headdress.