Watch List notes:

The Collection of Roman Republican Coins of a Student and his Mentor Part III

Octavianus. Aureus, mint moving with Octavian 42 BC, AV 8.03 g. CAESAR·III – VIR·R·P·C Bare head r. Rev. Equestrian statue l., with rider holding lituus in r. hand; in exergue, rostrum tridens, at side, S – C. C 245. Babelon Julia 66. Bahrfeldt 55. Sydenham 1319. Sear Imperators 136. Woytek Arma et Nummi 273. Calicó 266 (this coin illustrated). Biaggi 71 (this coin). RBW –. Crawford 497/1
Extremely rare, apparently only nine specimens listed by Crawford of which only
two were in private hands. In exceptional condition for the issue and probably
the finest in private hands. Struck on a very broad flan and with a lovely
light reddish tone. About extremely fine
Ex M&M 13, 1954, 601 and NAC 21, 2001, 304 sales.