Copper As 29.5mm (11.56gr) Struck Aug-Sep 68 A.D. Rome mint

Obv: SER GALBA IMP CAESAR AVG TR P Galba's laureate head right.

Rev: LIBERTAS PVBLICA S - C Libertas standing left holding pileus and scepter.

RIC I, 423, Cf. SR 2134, VM 58      Mark Lehman Collection

I have always like coins on oversized flans, and this is rare, too.