Hmmn, close. I have
had a look through those and similar coins, but don't think it is quite right.
Other than the
obverse on mine having a very roman-style
head, the other
side doesn't quite line up either, in all examples. I was also able to find a similar coin from Oitaioi, but again the imagery doesn't line up well; there is no spear on mine, and while it really does look similar to a jawbone, I think it it likely something else.
I've tried to take a photo with better light, perhaps this shows what I'm trying to explain better than words
regards
Dave