Augustus AR Denarius. Colonia Caesaraugusta (?) or uncertain mint in Gaul, ca 19-18 BC. 21 mm, 3.26 g.

no legend, bare head right.
SIGNIS RECEPTIS, Mars, helmeted and cloaked, standing front, head facing, holding aquila and standard. 

RIC 58; BMC 413 (this coin).

Image courtesy of the British Museum.

RIC_0058