Roman coin ID [solved]

Hello everybody,

My friend recieved a gift from antique shop owner and he knows that I'm in this wonderful forum where people knows a lot of stuff so he asked me can I get ID for this coin, can you guys help me please? Diameter is about 3.4cm

I could be wrong, but I believe it's a fake based on a Greek coin from Sicily, Syracuse:

http://www.wildwinds.com/coins/greece/sicily/syracuse/dionysios_I/t.html

Thanks for a quick answer! As I understand it should be silver in the first place right?

It does happen that an obverse + reverse combination of types is found in two different metals. In this case, however, I think Steve is right, mostly because the coin seems to have been struck within a collar (see especially the lower half of the rim on the second picture). Collars weren't used in the ancient world so far as I know. The use of a collar also makes the coin almost perfectly round, which you don't see often in authentic ancient coins.

Thank you both! That is a very quick and informative answer