Watch List notes:

The T. R. Hardaker Collection, Roman, Augustus (27 BC – AD 14), denarius, struck 17 BC, CAESAR, head r., within oak wreath, rev. AVG VST to l. and r. of candelabrum, ornamented with ram's heads within wreath of bucrania, wt. 3.46gms. (RIC.540; BMC.684), very fine, very rare
This reverse commemorates the Ludi Saeculares of 17 BC, which was a festival that lasted three days and nights. As Pontifex Maximus, Augustus had a prominent role in the proceedings and his religious importance is reflected on this coin.
(150-200 GBP)