Watch List notes:

The Triumvirs. Octavian. Autumn 30-summer 29 BC. AR Denarius (20mm, 3.75 g, 6h). Uncertain mint in Italy (Rome?). Bare head right / Octavian's Actian arch (arcus Octaviani), showing a single span surmounted by Octavian in facing triumphal quadriga; IMP • CAESAR on the architrave. CRI 422; RIC I 267; RSC 123. In NGC encapsulation 4241555-017, graded Ch XF, Strike: 5/5, Surface: 3/5. Well centered, and with underlying luster.

The single-span arcus Octaviani, celebrating Octavian's victory at Actium, was replaced in 19 BC by the arcus Augusti, a triple-span arch built to celebrate the recovery by Augustus of the famous standards lost by Antony and Crassus.