The alphabet they used for Etruscan is totally unrecognizable to me and not aligned with the current understanding of the actual alphabet. I wonder if it was to

The alphabet they used for Etruscan is totally unrecognizable to me and not aligned with the current understanding of the actual alphabet. I wonder if it was totally made up or if anyone recognizes where he might have had some contemporary source for the letters he used. Edit: his source is apparently Encyc. Franc, pi, VIII, which doesn’t appear to be around at least in the digital age.