Augustus, AR Denarius, Rome, 16 BC. Moneyer: L Vinicius.

Obv: no legend, equestrian statue of Augustus before city walls, on
 pedestal inscribed S P Q R / IMP / CAES, banker's test mark below statue.
Rev: L VINICIVS L.F III VIR around cippus inscribed S P Q R / IMP CAE / 
QVOD V / M S EX / EA P Q IS / AD A DE.

RIC 362; RSC 543; Sear 1618.

Found in Oxfordshire GB by metal detectorist Malcolm Potter, Oct. 2010.