Augustus AR Denarius. Lyons mint, 15-13 BC. 

Obv: DIVI F AVGVSTVS, bare head right
Rev: IMP dot - X, SICIL dot in ex, Diana standing 
left, head right, leaning on spear & holding bow, 
hound at her feet to left.

RIC 173a; RSC 146.

Courtesy of Roma Numismatics, May, 2010