Spanish mint (Colonia Patricia?), circa 18 BC. AR denarius, 3.82 gr., 19 mm.
Obv: S•P•Q•R• PARE[NT] CONS•SUO; aquila, toga picta over tunica palmata, and wreath.
Rev: CAESAR[I AUGUSTO]; slow quadriga to the right, ornamented with Victories and surmounted by four miniature horses galloping to the right.
Ref: RIC I 99; BMC 397. Ex Aureo, Auction 92 (1998), lot 243. Ex Scipio collection.
Rare variant with second horse from the left with its head turned to the left.