Watch List notes:

Octavian as Augustus, 27 BC – 14 AD. Denarius, Colonia Patricia circa 18-17/16 BC, AR 3.92 g. S·P·Q·R CAESARI – [A]VGVSTO Bare head r. Rev. VOT·[P·SVSC·PRO]·SAL·ET·RED·I·O·M·SACR Mars helmeted and cloaked standing l. and looking backwards, holding vexillum and parazonium. C 321. BMC 441. RIC 148. CBN 1236.
Extremely rare and in exceptional condition for the issue. Light iridescent tone,
an unobtrusive metal flaw on reverse, otherwise virtually as struck and Fdc