Greek or Roman? Identification too!!!

I have a coin that I bought as Greek, but I don't know if it's Roman. I need an identification.
Link of the image of the coin (number 2): https://m.facebook.com/photo.php?fbid=799326526759646&id=100000469186924&set=a.633911353301165.1073741825.100000469186924&source=43&__user=100000469186924

Link of my page on facebook, if possible give a like: https://www.facebook.com/BrasilMoedas?fref=
ts

Can you provide a link that does not require access to Facebook?