Very difficult to identify, but pretty surely a "Claudius", many of them faced to the left, and the profile is very similar. Alas hints doesn't help much...
What you think as "AUgustus" can be "AVG" (shortcut for AUGUSTUS of course). For blue/white circles that coulb be LIBERTAS.
Look at http://www.comptoir-des-monnaies.com/product_info.php/claudius-as-4150-roma-ttb-cuivre-cohen47-ric97-p-415726?language=fr or maybe http://www.comptoir-des-monnaies.com/product_info.php/claude-ier-as-cohen-47-p-60604?language=fr