Watch List notes:

Roman Empire. Octavian as Augustus, 27 BC – 14 AD.
Denarius, Caesaraugusta 19-18 BC, AR 3.77 g. CAESAR – AVGVSTVS Oak-wreathed head l. Rev. DIVVS – IVLIVS Eight-rayed comet with tail upwards. C 97. BMC 326. RIC 37b. CBN 1302.
Struck on a very broad flan, old cabinet tone with minor green deposits. Very fine