Rare Nero aureus with the portrayal of Jupiter as the Guardian (CVSTOS), commemorating Nero's protection from the plot of Gaius Calpurnius Piso.
Roman Imperial
Nero (54-68), Aureus 66-67, Rome mint
Obverse: laureate head right
IMP NERO CAESAR AVGVSTVS
Reverse: Jupiter seated left, holding thunderbolt and sceptre
IVPPITER CVSTOS
Weight 6,94 g