Please help me identify this Roman coin

I believe it’s a Roman coin but not sure. I haven’t been able to find anything alike. It weighs 8.4 grams. 
 

any insight is greatly appreciated 

Hello, not Roman coin, Greek coin, Lucania Thourioi, but the bull seems strange.…

https://www.acsearch.info/search.html?term=Athena+bull+lucania&category=1-2&lot=&date_from=&date_to=&thesaurus=1&images=1&en=1&de=1&fr=1&it=1&es=1&ot=1&currency=usd&order=0