M AGRIPPA L F COS III, head left wearing rostral crown / S-C, Neptune standing facing, head left, naked except for cloak draped behind him & over both arms, holding small dolphin in right hand & vertical trident in left. 30mm, 10.79 grams. Rome mint, struck under Caligula in 37-41 CE. RIC 58 [Caligula], Cohen 3, BMC 161 [Tiberius]
Uncleaned, struck on a large flan.