Silver denarius, 17mm, 3.49gm, issued 19 BC Colonia Patricia mint.
Obv: CAESAR AVGVSTVS, Bare head facing right.
Rev: [OB CIVIS] SERVATOS, Wreath.
References: see Sear 1626, RIC 75a, BMCRE 137.
This coin fits the following collection focus(es): Twelve Caesars.