OB
CIVIS SERVATOS (Translation: Ob Civis Servatos. For saving the citizens.)
Reverse description
Legend surrounding S C.
Reverse script
Latin
Reverse lettering
CN PISO CN F IIIVIR A A A F F
S C (Translation: Cnaeus [Calpurnius] Piso, Cnaei Filius, Triumvir Auro, Argento, Aere, Flando, Feriundo. Senatus Consultum. Gnaeus [Calpurnius] Piso, son of Gnaeus, moneyer (Triumvir Monetalis) for the casting and striking of gold, silver, and bronze coins. Decree of the senate.)