O: hd of Mercury r wearing winged petasos, two dots above
R: Prow of galley right, ROMA above, MA monogram to right, two dots below.
Possibly overstruck on a Carthaginian bronze.
Ex: CNG 376 lot 764 or 765 (06-15-2016)
Ex: RBW Collection
Ex: UBS 59 portion lot 6125 (01-29-2004)