Left hand side of the obverse, seems to spell AVGVSTVS. That title didn't appear during the time of Julius Caesar.
If you type Bull Spain Tiberius into CNG search you will see your one and a lot of others here is a link.... https://www.cngcoins.com/Coin.aspx?CoinID=285424#
Just happened across this: http://www.ebay.com/sch/fabioandste...4-cAAOSwm0JYDPXR&rt=nc&_trksid=p2047675.l2562