Augustus (27 BC-14 AD) AR Denarius (Silver, 3.67g, 19mm) Lugdunum (Lyon) 2 BC - AD 12.
Obv: CAESAR AVGVSTVS DIVI F PATER PATRIAE, laureate head right
Rev: AVGVSTI F COS DESIG PRINC IVVENT C L CAESARES, Caius and lucius caesars togate stand facing, each resting hand on a round shield with spear behind, above center on left a simpulum right and on right a lituus left.
Ref: RIC 207