Ex. Áureo & Calicó, Auction 275, 2016.
Roman Imperial
Octavian Augustus (27 BC-14 AD), Denarius 30-29 BC, uncertain Italian mint
Obverse: bare head of Augustus right
Reverse: ithyphallic boundary stone of Jupiter Terminus, surmounted by laureate head of Octavian facing, winged thunderbolt below
IMP CAESAR
Diameter 20 mm, weight 3.55 g