Augustus denarius. 19-4 BC Rome mint. Triumvir P. Petronus Turpilian. 

Obv: CAESAR AVGVSTVS, bare head right. 
Rev: P PETRON TVRPILIAN IIIVIR, Pegasus walking right, left 
foreleg raised.

RIC 297; RSC 491; Sear 1629.

With permission of TimeLine Auctions 
(www.timelineauctions.com), March, 2016