Octavian as Augustus, 27 BC – 14 AD.
P. Petronius Turpilianus. Denarius circa 19 BC, AR 19 mm, 3.95 g. CAESAR – AVGVSTVS Bare head r. Rev. P PETRON•TVRPILIAN•III•VIR Siren with wings, standing l., holding flutes. C 490. BMC 27. RIC 296. CBN 154.Extremely rare. Light iridescent tone, several control marks
on obverse, otherwise very fine

Ex Triton sale XI, 2008, 698.