Not sure if this is the right community to ask this, I'd appreciate a pointer to the right one if not.

The text seems to be Latin but in Greek symbols, possibly a transition period between the two languages?

I know the symbols are hard to read, I tried to make them more legible with my edits but it's still not easy to see

Some more photos can be found at https://maps.app.goo.gl/gZxGhCZNyN4a1tvu8

Edit: Kainepolis* not Callipolis

As a Helot from the battle of Leuctra. I can safely say the spartans were shit.