Watch List notes:

Augusto (27 a.C. - 14 d.C.), Sestercio, Roma, 15 a.C.; Ae 24,57 g; moneyer Gnaeus Piso Cn F.; OB CIVIS SERVATOS in wreath in rev. CN PIOS CN F III VIR A A A F F around large SC.
Rare, about very fine.
RIC 380
Rara, MBC-