Watch List notes:

The Roman Empire

Octavian, 32 – 27 BC. Denarius, Brundisium and Roma (?) 29-27 BC, AR 3.67 g. Bare head r. Rev. IMP – CAESAR Laureate terminal figure set facing on winged thunderbolt. C 114. BMC 628. RIC 269a. Sear Imperators 425. CBN 49.
Rare and among the finest specimens known. Struck on a large flan and
with a superb old cabinet tone. Extremely fine

Ex Leu 2, 1972, 349 and NAC 21, 2001, 340 sales.