Augustus. 27 BC-AD 14. AR Denarius, 18.5 mm, 3.77 g. Uncertain Spanish mint (Colonia Patricia?). Struck circa 19 BC.

CAESAR AVGVSTVS, bare head right.
MAR-VLT across fields, tetrastyle temple with domed roof, on three steps, Mars standing left within, holding legionary eagle, and standard over shoulder.

RIC 69a; BMCRE 367; RSC 194. 

With permission of cngcoins.com, auction 474, Lot 409, Aug. 2020.