I posted this coin because it was offered to me by my neighbor who is digging nowadays. It has a centaur on reverse, a mythological creature that has the body of a horse and the head and arms of a man. I don't have a single coin like this in my entire collection. So it might be unpublished or very rare. The obverse shows a warier wearing a helmet. There's also Greek legend to left of reverse. The coin is pretty much worn but identifiable, I think. It weighs 1.3 g. and measures only 10 mm. please post your views.