Augustus (27 BC - 14 AD) . AE As, Rome mint. C. Cassius Celer, moneyer. Struck 16 BC. Obv. CAESAR AVGVSTVS TRIBVNIC POTEST. Bare head right. Rev. C CASSIVS C F CELER IIIVIR A A A F F, around S C. RIC I (2nd ed.) 376. 9.70 g. 27.50 mm. Brown patina, with green hues. VF.