Watch List notes:

The Roman Empire

Octavian as Augustus, 27 BC – 14 AD. Aureus, Pergamum 19-18 BC, AV 7.88 g. Bare head r. Rev. Sphinx, with wings raised, seated r. C 333. Bahrfeldt 140. RIC 512 (misdescribed). Calicó 156.
Very rare. An important and fascinating issue. About very fine / very fine
Ex Sternberg sale XIV, 1984, 253.