Augustus, AR denarius, 19-18 BC, Rome. Moneyer L. Aquillius Florus. 

L AQVILLIVS FLORVS III VIR, radiate head of Sol right. 
Rev. CAESAR AVGVSTVS SIGN RECE, bare headed Parthian 
kneeling right, holding signum to which is attached a 
vexillum marked X. 

RIC 304; BMC 40; RSC 358; Sear -.
Very rare. 

With permission of Dane's bank, UBS AG, Sept. 2008.
Estimate 750 SFr.